{"id":1645,"date":"2026-09-23T09:00:00","date_gmt":"2026-09-23T09:00:00","guid":{"rendered":"https:\/\/www.seggdsb.com\/?p=1645"},"modified":"2026-08-12T03:16:17","modified_gmt":"2026-08-12T03:16:17","slug":"pipeline-coating-holiday-test","status":"publish","type":"post","link":"https:\/\/www.seggdsb.com\/ar\/pipeline-coating-holiday-test\/","title":{"rendered":"\u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0637\u0644\u0629 \u0637\u0644\u0627\u0621 \u062e\u0637\u0648\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628: \u0627\u0644\u0637\u0631\u0642 \u0648\u0627\u0644\u0625\u062c\u0631\u0627\u0621\u0627\u062a"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u064a\u062d\u062f\u062f \u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0637\u0644\u0629 \u0637\u0644\u0627\u0621 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u062b\u0642\u0648\u0628 \u0623\u0648 \u0627\u0644\u0641\u0631\u0627\u063a\u0627\u062a \u0623\u0648 \u0627\u0644\u0634\u0642\u0648\u0642 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\u0637\u0631\u064a\u0642\u0629 \u0633\u0645\u0643 \u0627\u0644\u0637\u0644\u0627\u0621<\/a><\/li><li><a href=\"#confirm-the-substrate-can-complete-the-circuit\">\u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 \u0627\u0644\u0631\u0643\u064a\u0632\u0629 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0643\u0645\u0644 \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/a><\/li><li><a href=\"#prepare-a-suitable-test-surface\">\u0625\u0639\u062f\u0627\u062f \u0633\u0637\u062d \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u0646\u0627\u0633\u0628<\/a><\/li><li><a href=\"#move-the-electrode-at-a-controlled-rate\">\u062d\u0631\u0643 \u0627\u0644\u0642\u0637\u0628 \u0628\u0645\u0639\u062f\u0644 \u0645\u062a\u062d\u0643\u0645 \u0641\u064a\u0647<\/a><\/li><li><a href=\"#mark-and-repair-indications-traceably\">\u0648\u0636\u0639 \u0639\u0644\u0627\u0645\u0629 \u0639\u0644\u0649 \u0645\u0624\u0634\u0631\u0627\u062a \u0627\u0644\u0625\u0635\u0644\u0627\u062d \u0628\u0634\u0643\u0644 \u064a\u0645\u0643\u0646 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href=\"#project-takeaway\">\u0645\u0634\u0631\u0648\u0639 \u0627\u0644\u0648\u062c\u0628\u0627\u062a \u0627\u0644\u062c\u0627\u0647\u0632\u0629<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"at-a-glance\">\u0641\u064a \u0644\u0645\u062d\u0629<\/h2>\n\n<ol class=\"wp-block-list\">\n<li>\u0627\u0644\u0639\u0637\u0644\u0629 \u0647\u064a \u0627\u0646\u0642\u0637\u0627\u0639 \u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/li>\n\n<li>\u0627\u062e\u062a\u0631 \u0637\u0631\u064a\u0642\u0629 \u0633\u0645\u0643 \u0627\u0644\u0637\u0644\u0627\u0621<\/li>\n\n<li>\u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 \u0627\u0644\u0631\u0643\u064a\u0632\u0629 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0643\u0645\u0644 \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/li>\n\n<li>\u0625\u0639\u062f\u0627\u062f \u0633\u0637\u062d \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u0646\u0627\u0633\u0628<\/li>\n\n<li>\u062d\u0631\u0643 \u0627\u0644\u0642\u0637\u0628 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\u0642\u0628\u0648\u0644\u0647 \u0623\u0648 \u0631\u0641\u0636\u0647. \u0623\u0643\u0645\u0644\u0647 \u0642\u0628\u0644 \u0623\u0646 \u064a\u0646\u062a\u0642\u0644 \u0623\u0646\u0628\u0648\u0628 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 3PE \u0625\u0644\u0649 \u0645\u0627 \u0628\u0639\u062f \u0627\u0644\u0639\u0637\u0644\u0629 \u0648\u0647\u0648 \u0627\u0646\u0642\u0637\u0627\u0639 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u060c \u0648\u062d\u062f\u062f \u0627\u0644\u0645\u0633\u062a\u0646\u062f \u0623\u0648 \u0627\u0644\u0642\u064a\u0627\u0633 \u0627\u0644\u0630\u064a \u064a\u062f\u0639\u0645 \u0627\u0644\u0646\u062a\u064a\u062c\u0629.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"choose-the-method-for-coating-thickness\">\u0627\u062e\u062a\u0631 \u0637\u0631\u064a\u0642\u0629 \u0633\u0645\u0643 \u0627\u0644\u0637\u0644\u0627\u0621<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u0646\u0627\u0633\u0628 \u0637\u0631\u0642 \u0627\u0644\u0625\u0633\u0641\u0646\u062c \u0627\u0644\u0631\u0637\u0628 \u0648\u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0639\u0627\u0644\u064a \u0646\u0637\u0627\u0642\u0627\u062a \u0648\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0637\u0644\u0627\u0621 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629. \u064a\u062c\u0628 \u0623\u0646 \u064a\u062d\u062f\u062f \u0625\u062c\u0631\u0627\u0621 \u0627\u0644\u0637\u0644\u0627\u0621 \u0627\u0644\u062d\u0627\u0643\u0645 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0648\u0627\u0644\u062c\u0647\u062f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0644\u0627 \u062a\u0642\u0645 \u0628\u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062c\u0647\u062f \u0644\u0645\u062c\u0631\u062f \u0627\u0644\u0639\u062b\u0648\u0631 \u0639\u0644\u0649 \u0627\u0644\u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u0624\u0634\u0631\u0627\u062a. \u0625\u0646 \u0627\u0644\u062e\u0637\u0631 \u0627\u0644\u0639\u0645\u0644\u064a \u0639\u0646\u062f \u0627\u062e\u062a\u064a\u0627\u0631 \u0637\u0631\u064a\u0642\u0629 \u0633\u0645\u0627\u0643\u0629 \u0627\u0644\u0637\u0644\u0627\u0621 \u0647\u0648 \u0627\u0644\u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u062a\u064a \u062a\u0628\u062f\u0648 \u0645\u0642\u0628\u0648\u0644\u0629 \u0641\u064a \u062d\u062f \u0630\u0627\u062a\u0647\u0627 \u0648\u0644\u0643\u0646\u0647\u0627 \u062a\u0641\u0634\u0644 \u0639\u0646\u062f \u062a\u062c\u0645\u064a\u0639\u0647\u0627. \u0642\u0645 \u0628\u0631\u0628\u0637 \u0627\u0643\u062a\u0634\u0627\u0641 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629 3PE \u0628\u0623\u0646\u0628\u0648\u0628 \u0627\u0644\u062a\u0632\u0627\u0648\u062c \u0623\u0648 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0623\u0648 \u0627\u0644\u0647\u064a\u0643\u0644 \u0623\u0648 \u0627\u0644\u0623\u062f\u0627\u0629 \u0623\u0648 \u0627\u0644\u0637\u0644\u0627\u0621 \u0623\u0648 \u0639\u0646\u0635\u0631 \u0627\u0644\u0628\u0646\u0627\u0621 \u0627\u0644\u0645\u062a\u0623\u062b\u0631 \u0628\u0640 \u201c\u060c \u064a\u062c\u0628 \u0623\u0646 \u064a\u062d\u062f\u062f \u0625\u062c\u0631\u0627\u0621 \u0627\u0644\u0637\u0644\u0627\u0621 \u0627\u0644\u062d\u0627\u0643\u0645 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0648\u0627\u0644\u062c\u0647\u062f.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/3PE-steel-pipe.jpg\" alt=\"\u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0637\u0644\u0629 \u0637\u0644\u0627\u0621 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628: \u0627\u062e\u062a\u0631 \u0637\u0631\u064a\u0642\u0629 \u0633\u0645\u0643 \u0627\u0644\u0637\u0644\u0627\u0621\" class=\"wp-image-203\" srcset=\"https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/3PE-steel-pipe.jpg 800w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/3PE-steel-pipe-300x300.jpg 300w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/3PE-steel-pipe-150x150.jpg 150w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/3PE-steel-pipe-768x768.jpg 768w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/3PE-steel-pipe-600x600.jpg 600w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/3PE-steel-pipe-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"confirm-the-substrate-can-complete-the-circuit\">\u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 \u0627\u0644\u0631\u0643\u064a\u0632\u0629 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0643\u0645\u0644 \u0627\u0644\u062f\u0627\u0626\u0631\u0629<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0628\u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0623\u0645\u0631 \u0636\u0631\u0648\u0631\u064a. \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0627\u0644\u0633\u064a\u0626 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062e\u0644\u0642 \u062b\u0642\u0629 \u0632\u0627\u0626\u0641\u0629.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u0623\u062f\u0627\u0629 \u0639\u0644\u0649 \u0645\u0639\u064a\u0627\u0631 \u0645\u0639\u0631\u0648\u0641 \u0623\u0648 \u0646\u0642\u0637\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 \u062d\u0633\u0628 \u0645\u0627 \u064a\u062a\u0637\u0644\u0628\u0647 \u0627\u0644\u0625\u062c\u0631\u0627\u0621. \u0627\u0644\u062a\u0648\u0642\u064a\u062a \u0645\u0647\u0645 \u0647\u0646\u0627. \u0627\u0644\u0623\u062f\u0644\u0629 \u0644\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 \u0627\u0644\u0631\u0643\u064a\u0632\u0629 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0643\u0645\u0644 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u062a\u0643\u0648\u0646 \u0623\u0642\u0648\u0649 \u0628\u064a\u0646\u0645\u0627 \u062a\u0643\u0648\u0646 \u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a \u0623\u0648 \u0627\u0644\u0633\u0637\u062d \u0623\u0648 \u0627\u0644\u0628\u0639\u062f \u0623\u0648 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0630\u0627\u062a \u0627\u0644\u0635\u0644\u0629 \u0645\u0631\u0626\u064a\u0629. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0637\u0644\u0629 \u0637\u0644\u0627\u0621 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628\u060c \u0642\u0645 \u0628\u062a\u0633\u062c\u064a\u0644 \u0645\u0631\u062c\u0639 \u0627\u0644\u0639\u0646\u0635\u0631 \u0648\u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0631\u0635\u0648\u062f\u0629 \u0648\u0627\u0644\u062a\u0635\u0631\u0641 \u0642\u0628\u0644 \u0623\u0646 \u064a\u062e\u0641\u064a \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0644\u0627\u062d\u0642 \u0627\u0644\u0645\u064a\u0632\u0629 \u0627\u0644\u0645\u0648\u0635\u0648\u0641\u0629 \u0628\u0648\u0627\u0633\u0637\u0629 \u0648\u0638\u064a\u0641\u0629 \u0623\u062f\u0627\u0629 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u201c \u0639\u0644\u0649 \u0645\u0639\u064a\u0627\u0631 \u0645\u0639\u0631\u0648\u0641 \u0623\u0648 \u0646\u0642\u0637\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 \u0643\u0645\u0627 \u064a\u062a\u0637\u0644\u0628 \u0627\u0644\u0625\u062c\u0631\u0627\u0621.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"prepare-a-suitable-test-surface\">\u0625\u0639\u062f\u0627\u062f \u0633\u0637\u062d \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u0646\u0627\u0633\u0628<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u062c\u0628 \u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0637\u0644\u0627\u0621 \u0628\u0634\u0643\u0644 \u0643\u0627\u0641\u064d\u060c \u0648\u062a\u0646\u0638\u064a\u0641\u0647 \u0628\u0634\u0643\u0644 \u0645\u0639\u0642\u0648\u0644\u060c \u0648\u0641\u064a \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u062a\u064a \u062a\u062a\u0637\u0644\u0628\u0647\u0627 \u0627\u0644\u0637\u0631\u064a\u0642\u0629. \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0624\u062b\u0631 \u0631\u0637\u0648\u0628\u0629 \u0627\u0644\u0633\u0637\u062d \u0623\u0648 \u0627\u0644\u062a\u0644\u0648\u062b \u0639\u0644\u0649 \u0627\u0644\u0645\u0624\u0634\u0631\u0627\u062a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0641\u062d\u0635 \u0627\u0644\u062d\u0648\u0627\u0641 \u0627\u0644\u062d\u0627\u062f\u0629 \u0648\u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0645\u0639\u0642\u062f\u0629 \u0628\u0639\u0646\u0627\u064a\u0629. \u062d\u0627\u0641\u0638 \u0639\u0644\u0649 \u0642\u0631\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0648\u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0645\u0646\u0641\u0635\u0644\u0629 \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u062f\u0627\u062f \u0633\u0637\u062d \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u0646\u0627\u0633\u0628. \u064a\u062d\u062f\u062f \u0627\u0644\u0631\u0633\u0645 \u0623\u0648 \u0648\u0631\u0642\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0623\u0648 \u0627\u0644\u0643\u0648\u062f \u0623\u0648 \u0627\u0644\u0625\u062c\u0631\u0627\u0621 \u0627\u0644\u0645\u0639\u062a\u0645\u062f \u062d\u0627\u0644\u0629 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629 3PE \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629\u061b \u064a\u062d\u062f\u062f \u0627\u0644\u0641\u062d\u0635 \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0648\u0631\u062f\u0629 \u062a\u0644\u0628\u064a\u0647\u0627. \u0644\u0627 \u064a\u0645\u0643\u0646 \u0644\u0645\u0645\u0627\u0631\u0633\u0629 \u0627\u0644\u0645\u062a\u062c\u0631 \u0627\u0644\u0645\u0623\u0644\u0648\u0641\u0629 \u0623\u0646 \u062a\u062d\u0644 \u0645\u062d\u0644 \u062a\u0644\u0643 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/3PE-steel-pipe-1.jpg\" alt=\"\u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0637\u0644\u0629 \u0637\u0644\u0627\u0621 \u062e\u0637\u0648\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628: \u0642\u0645 \u0628\u0625\u0639\u062f\u0627\u062f \u0633\u0637\u062d \u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u0646\u0627\u0633\u0628\" class=\"wp-image-301\" srcset=\"https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/3PE-steel-pipe-1.jpg 800w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/3PE-steel-pipe-1-300x300.jpg 300w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/3PE-steel-pipe-1-150x150.jpg 150w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/3PE-steel-pipe-1-768x768.jpg 768w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/3PE-steel-pipe-1-600x600.jpg 600w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/3PE-steel-pipe-1-100x100.jpg 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"move-the-electrode-at-a-controlled-rate\">\u062d\u0631\u0643 \u0627\u0644\u0642\u0637\u0628 \u0628\u0645\u0639\u062f\u0644 \u0645\u062a\u062d\u0643\u0645 \u0641\u064a\u0647<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u0639\u062a\u0645\u062f \u0627\u0644\u062a\u063a\u0637\u064a\u0629 \u0639\u0644\u0649 \u0645\u0644\u0627\u0645\u0633\u0629 \u0627\u0644\u0642\u0637\u0628 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u060c \u0648\u0633\u0631\u0639\u0629 \u0627\u0644\u0633\u0641\u0631\u060c \u0648\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u0645\u0634\u063a\u0644\u060c \u0648\u0627\u0644\u0648\u0635\u0648\u0644. \u0627\u0633\u062a\u062e\u062f\u0645 \u0642\u0637\u0628\u064b\u0627 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u064b\u0627 \u0645\u0646\u0627\u0633\u0628\u064b\u0627 \u0644\u0642\u0637\u0631 \u0627\u0644\u0623\u0646\u0628\u0648\u0628 \u0648\u0634\u0643\u0644 \u0627\u0644\u0645\u0643\u0648\u0646.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u064a\u0645\u0631 \u0627\u0644\u062a\u062f\u0627\u062e\u0644 \u062d\u062a\u0649 \u0644\u0627 \u064a\u062a\u0645 \u062a\u0641\u0648\u064a\u062a \u0623\u064a \u0634\u0631\u064a\u0637. \u0642\u0645 \u0628\u0645\u0631\u0627\u062c\u0639\u0629 \u062a\u062d\u0631\u064a\u0643 \u0627\u0644\u0642\u0637\u0628 \u0628\u0645\u0639\u062f\u0644 \u0645\u062a\u062d\u0643\u0645 \u0641\u064a\u0647 \u0639\u0628\u0631 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0639\u0627\u062f\u064a \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0648\u0628\u062f\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u0625\u064a\u0642\u0627\u0641 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0639\u0646\u062f\u0645\u0627 \u062a\u0643\u0648\u0646 \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0630\u0627\u062a \u0635\u0644\u0629. \u064a\u062c\u0628 \u0623\u0646 \u064a\u0638\u0644 \u0642\u0631\u0627\u0631 \u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0637\u0644\u0629 \u0637\u0644\u0627\u0621 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0645\u0646\u0627\u0633\u0628\u064b\u0627 \u0639\u0646\u062f\u0645\u0627 \u062a\u062a\u063a\u064a\u0631 \u0638\u0631\u0648\u0641 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0623\u0648 \u0627\u0644\u062d\u0645\u0644 \u0623\u0648 \u0627\u0644\u062a\u062f\u0641\u0642 \u0623\u0648 \u0627\u0644\u0648\u0635\u0648\u0644 \u0623\u0648 \u0627\u0644\u062f\u0639\u0645 \u0645\u0646 \u062d\u0627\u0644\u0629 \u0627\u0644\u062a\u062b\u0628\u064a\u062a.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mark-and-repair-indications-traceably\">\u0648\u0636\u0639 \u0639\u0644\u0627\u0645\u0629 \u0639\u0644\u0649 \u0645\u0624\u0634\u0631\u0627\u062a \u0627\u0644\u0625\u0635\u0644\u0627\u062d \u0628\u0634\u0643\u0644 \u064a\u0645\u0643\u0646 \u062a\u062a\u0628\u0639\u0647<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u062d\u062f\u064a\u062f \u0645\u0648\u0642\u0639 \u0627\u0644\u062e\u0644\u0644 \u0642\u0628\u0644 \u0627\u0644\u0645\u0636\u064a \u0642\u062f\u0645\u0627. \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0625\u0639\u062f\u0627\u062f \u0627\u0644\u0625\u0635\u0644\u0627\u062d \u0648\u0627\u0644\u0645\u0648\u0627\u062f \u0645\u062a\u0648\u0627\u0641\u0642\u0629 \u0645\u0639 \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0623\u0635\u0644\u064a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0625\u0639\u0627\u062f\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u062a\u064a \u062a\u0645 \u0625\u0635\u0644\u0627\u062d\u0647\u0627 \u0628\u0639\u062f \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629. \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0645\u0624\u0634\u0631\u0627\u062a \u0627\u0644\u0639\u0644\u0627\u0645\u0629 \u0648\u0627\u0644\u0625\u0635\u0644\u0627\u062d \u062a\u0646\u062a\u062c \u0627\u0646\u062d\u0631\u0627\u0641\u064b\u0627 \u064a\u0645\u0643\u0646 \u062a\u062a\u0628\u0639\u0647\u060c \u0642\u0645 \u0628\u0648\u0635\u0641 \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0635\u0644\u0628 3PE \u0648\u0627\u0644\u0643\u0645\u064a\u0629 \u0627\u0644\u0645\u062a\u0623\u062b\u0631\u0629 \u0642\u0628\u0644 \u0627\u0642\u062a\u0631\u0627\u062d \u0627\u0644\u0625\u0635\u0644\u0627\u062d \u0623\u0648 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0643\u0645\u0627 \u0647\u0648. \u064a\u062c\u0628 \u0623\u0646 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src=\"https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/tu-28.jpg\" alt=\"\u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0637\u0644\u0629 \u0637\u0644\u0627\u0621 \u062e\u0637\u0648\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628: \u0648\u0636\u0639 \u0639\u0644\u0627\u0645\u0629 \u0639\u0644\u0649 \u0645\u0624\u0634\u0631\u0627\u062a \u0627\u0644\u0625\u0635\u0644\u0627\u062d \u0628\u0634\u0643\u0644 \u064a\u0645\u0643\u0646 \u062a\u062a\u0628\u0639\u0647\" class=\"wp-image-630\" srcset=\"https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/tu-28.jpg 800w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/tu-28-300x206.jpg 300w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/tu-28-768x528.jpg 768w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/tu-28-600x413.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"avoid-damaging-sound-coating\">\u062a\u062c\u0646\u0628 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\u0627\u0644\u0646\u0647\u0627\u0626\u064a \u0627\u0644\u062a\u063a\u064a\u064a\u0631\u0627\u062a \u0627\u0644\u0645\u0639\u062a\u0645\u062f\u0629 \u0648\u0627\u0644\u0625\u062c\u0631\u0627\u0621\u0627\u062a \u0627\u0644\u0645\u0641\u062a\u0648\u062d\u0629\u060c \u0645\u0645\u0627 \u064a\u0645\u0646\u0639 \u0627\u0644\u0646\u0642\u0637\u0629 \u0627\u0644\u062a\u064a \u0644\u0645 \u064a\u062a\u0645 \u062d\u0644\u0647\u0627 \u062d\u0648\u0644 \u0633\u0645\u0643 \u201c\u060c \u0648\u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0628\u0635\u0631\u064a\u0629\u060c \u0648\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0627\u0644\u062a\u0635\u0627\u0642 \u0623\u0648 \u0627\u0644\u062a\u0623\u0647\u064a\u0644\u060c \u0648\u0627\u0644\u062a\u062e\u0641\u064a\u0636\u0627\u062a\u060c \u0648\u0627\u0644\u0625\u0635\u0644\u0627\u062d\u0627\u062a\u060c \u0648\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0646\u0627\u0648\u0644\u0629 \u0623\u062f\u0644\u0629 \u0645\u062e\u062a\u0644\u0641\u0629 \u0639\u0646 \u0627\u0644\u0627\u0646\u062a\u0634\u0627\u0631 \u0645\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u0649 \u0627\u0644\u0628\u0646\u0627\u0621 \u0623\u0648 \u0627\u0644\u062a\u0634\u063a\u064a\u0644.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"550\" src=\"https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/tu-31.jpg\" alt=\"\u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0637\u0644\u0629 \u0637\u0644\u0627\u0621 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628: \u0627\u062c\u0645\u0639 \u0628\u064a\u0646 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0639\u0637\u0644\u0629 \u0648\u0627\u0644\u0641\u062d\u0648\u0635\u0627\u062a \u0627\u0644\u0623\u062e\u0631\u0649\" class=\"wp-image-633\" srcset=\"https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/tu-31.jpg 800w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/tu-31-300x206.jpg 300w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/tu-31-768x528.jpg 768w, https:\/\/www.seggdsb.com\/wp-content\/uploads\/2026\/05\/tu-31-600x413.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"standards-and-source-documents\">\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0648\u0627\u0644\u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0645\u0635\u062f\u0631\u064a\u0629<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0625\u0635\u062f\u0627\u0631 \u0627\u0644\u0645\u0633\u0645\u0649 \u0628\u0627\u0644\u0639\u0642\u062f. \u062a\u0634\u0645\u0644 \u0646\u0642\u0627\u0637 \u0627\u0644\u0628\u062f\u0627\u064a\u0629 \u0627\u0644\u0645\u0631\u062c\u0639\u064a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 <a href=\"https:\/\/www.iso.org\/standard\/65345.html\" target=\"_blank\" rel=\"noopener\">\u0627\u0644\u0637\u0644\u0627\u0621\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 ISO 21809-1<\/a>, <a href=\"https:\/\/www.iso.org\/standard\/61002.html\" target=\"_blank\" rel=\"noopener\">ISO 21809-3 \u0627\u0644\u0637\u0644\u0627\u0621\u0627\u062a \u0627\u0644\u0645\u0641\u0635\u0644\u064a\u0629 \u0627\u0644\u0645\u064a\u062f\u0627\u0646\u064a\u0629<\/a>, <a href=\"https:\/\/www.ampp.org\/resources\" target=\"_blank\" rel=\"noopener\">\u0645\u0648\u0627\u0631\u062f \u0627\u0644\u062a\u0622\u0643\u0644 AMPP<\/a>, <a href=\"https:\/\/www.astm.org\/products-services\/standards-and-publications\/standards.html\" target=\"_blank\" rel=\"noopener\">\u0645\u0643\u062a\u0628\u0629 \u0645\u0639\u0627\u064a\u064a\u0631 ASTM<\/a>. \u062a\u062e\u062a\u0644\u0641 \u0646\u0637\u0627\u0642\u0627\u062a\u0647\u0627\u060c \u0644\u0630\u0644\u0643 \u0644\u0627 \u064a\u062c\u0648\u0632 \u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0645\u0631\u062c\u0639 \u0627\u0644\u0639\u0627\u0645 \u0643\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0642\u0628\u0648\u0644 \u0644\u0643\u0644 \u0645\u0646\u062a\u062c \u0623\u0648 \u0645\u0634\u0631\u0648\u0639.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"related-sirgou-resources\">\u0645\u0648\u0627\u0631\u062f Sirgou \u0630\u0627\u062a \u0627\u0644\u0635\u0644\u0629<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0642\u0627\u0631\u0646 <a href=\"https:\/\/www.seggdsb.com\/ar\/product\/3pe-steel-pipe\/\">\u0635\u0641\u062d\u0629 \u0645\u0646\u062a\u062c \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629 3PE<\/a> \u0645\u0639 <a href=\"https:\/\/www.seggdsb.com\/ar\/product\/plastic-coated-steel-pipe\/\">\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0635\u0644\u0628 \u0627\u0644\u0645\u063a\u0644\u0641\u0629 \u0628\u0627\u0644\u0628\u0644\u0627\u0633\u062a\u064a\u0643<\/a> \u0648 <a href=\"https:\/\/www.seggdsb.com\/ar\/product\/spiral-steel-pipe\/\">\u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629 \u0627\u0644\u062d\u0644\u0632\u0648\u0646\u064a\u0629<\/a>. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0633\u064a\u0627\u0642 \u062a\u0623\u0647\u064a\u0644 \u0627\u0644\u0645\u0648\u0631\u062f\u064a\u0646\u060c \u0627\u0642\u0631\u0623 <a href=\"https:\/\/www.seggdsb.com\/ar\/choose-steel-pipe-fittings-supplier\/\">\u062f\u0644\u064a\u0644 \u0645\u0648\u0631\u062f\u064a \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0648\u0627\u0644\u062a\u062c\u0647\u064a\u0632\u0627\u062a<\/a>. \u062a\u062f\u0639\u0645 \u0647\u0630\u0647 \u0627\u0644\u0635\u0641\u062d\u0627\u062a \u0623\u0628\u062d\u0627\u062b \u0627\u0644\u0645\u0646\u062a\u062c\u061b \u0623\u0646\u0647\u0627 \u0644\u0627 \u062a\u062c\u0639\u0644 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0627\u0644\u0645\u062c\u0627\u0648\u0631\u0629 \u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u0628\u062f\u064a\u0644.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"frequently-asked-questions\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0645\u062a\u062f\u0627\u0648\u0644\u0629<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"what-should-be-confirmed-first-pipeline-coating-holiday-test\">\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u062c\u0628 \u062a\u0623\u0643\u064a\u062f\u0647 \u0623\u0648\u0644\u0627\u064b\u061f \u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0637\u0644\u0629 \u0637\u0644\u0627\u0621 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0642\u062f \u062a\u0624\u062f\u064a \u0627\u0644\u062b\u0642\u0648\u0628 \u0623\u0648 \u0627\u0644\u0641\u0631\u0627\u063a\u0627\u062a \u0623\u0648 \u0627\u0644\u0634\u0642\u0648\u0642 \u0623\u0648 \u0627\u0644\u0628\u0642\u0639 \u0627\u0644\u0631\u0642\u064a\u0642\u0629 \u0623\u0648 \u0627\u0644\u0623\u0636\u0631\u0627\u0631 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0625\u0644\u0649 \u0643\u0634\u0641 \u0627\u0644\u0631\u0643\u064a\u0632\u0629 \u0627\u0644\u0645\u0648\u0635\u0644\u0629. \u0644\u0627 \u064a\u0642\u064a\u0633 \u0641\u064a \u062d\u062f \u0630\u0627\u062a\u0647 \u0627\u0644\u0627\u0644\u062a\u0635\u0627\u0642 \u0623\u0648 \u0627\u0644\u0639\u0644\u0627\u062c. \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0648\u062b\u064a\u0642\u0629 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0623\u0643\u062b\u0631 \u062a\u062d\u062f\u064a\u062f\u064b\u0627\u060c \u0641\u0625\u0646 \u0645\u062a\u0637\u0644\u0628\u0627\u062a\u0647\u0627 \u0647\u064a \u0627\u0644\u0636\u0648\u0627\u0628\u0637.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"which-interface-causes-the-most-mistakes-pipeline-coating-holiday-test\">\u0645\u0627 \u0647\u064a \u0627\u0644\u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u062a\u064a \u062a\u0633\u0628\u0628 \u0623\u0643\u0628\u0631 \u0639\u062f\u062f \u0645\u0646 \u0627\u0644\u0623\u062e\u0637\u0627\u0621\u061f \u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0637\u0644\u0629 \u0637\u0644\u0627\u0621 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0628\u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0623\u0645\u0631 \u0636\u0631\u0648\u0631\u064a. \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0648\u0638\u064a\u0641\u0629 \u0627\u0644\u062c\u0647\u0627\u0632 \u0639\u0644\u0649 \u0645\u0639\u064a\u0627\u0631 \u0645\u0639\u0631\u0648\u0641 \u0623\u0648 \u0646\u0642\u0637\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 \u0643\u0645\u0627 \u064a\u062a\u0637\u0644\u0628 \u0627\u0644\u0625\u062c\u0631\u0627\u0621. \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0648\u062b\u064a\u0642\u0629 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0623\u0643\u062b\u0631 \u062a\u062d\u062f\u064a\u062f\u064b\u0627\u060c \u0641\u0625\u0646 \u0645\u062a\u0637\u0644\u0628\u0627\u062a\u0647\u0627 \u062a\u062a\u062d\u0643\u0645.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"when-should-the-check-be-recorded-pipeline-coating-holiday-test\">\u0645\u062a\u0649 \u064a\u062c\u0628 \u062a\u0633\u062c\u064a\u0644 \u0627\u0644\u0634\u064a\u0643\u061f \u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0637\u0644\u0629 \u0637\u0644\u0627\u0621 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u062d\u062f\u064a\u062f \u0645\u0648\u0642\u0639 \u0627\u0644\u062e\u0644\u0644 \u0642\u0628\u0644 \u0627\u0644\u0645\u0636\u064a \u0642\u062f\u0645\u0627. \u0625\u0639\u0627\u062f\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u062a\u064a \u062a\u0645 \u0625\u0635\u0644\u0627\u062d\u0647\u0627 \u0628\u0639\u062f \u0627\u0644\u0639\u0644\u0627\u062c \u0627\u0644\u0645\u0637\u0644\u0648\u0628. \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0648\u062b\u064a\u0642\u0629 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0623\u0643\u062b\u0631 \u062a\u062d\u062f\u064a\u062f\u0627\u060c \u0641\u0625\u0646 \u0645\u062a\u0637\u0644\u0628\u0627\u062a\u0647\u0627 \u0647\u064a \u0627\u0644\u0636\u0648\u0627\u0628\u0637.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"what-belongs-in-the-final-acceptance-file-pipeline-coating-holiday-test\">\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u0646\u062a\u0645\u064a \u0625\u0644\u0649 \u0645\u0644\u0641 \u0627\u0644\u0642\u0628\u0648\u0644 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u061f \u0627\u062e\u062a\u0628\u0627\u0631 \u0639\u0637\u0644\u0629 \u0637\u0644\u0627\u0621 \u062e\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u062a\u0648\u0641\u0631 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0633\u064f\u0645\u0643 \u0648\u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0628\u0635\u0631\u064a\u0629 \u0648\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0627\u0644\u062a\u0635\u0627\u0642 \u0623\u0648 \u0627\u0644\u062a\u0623\u0647\u064a\u0644 \u0648\u0627\u0644\u062a\u062e\u0641\u064a\u0636\u0627\u062a \u0648\u0627\u0644\u0625\u0635\u0644\u0627\u062d\u0627\u062a \u0648\u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u0646\u0627\u0648\u0644\u0629 \u0623\u062f\u0644\u0629 \u0645\u062e\u062a\u0644\u0641\u0629. \u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0646\u062a\u0627\u0626\u062c \u062d\u0633\u0628 \u0631\u0642\u0645 \u0627\u0644\u0623\u0646\u0628\u0648\u0628 \u0623\u0648 \u0627\u0644\u062f\u0641\u0639\u0629 \u0627\u0644\u0645\u062d\u062f\u062f\u0629. \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0648\u062b\u064a\u0642\u0629 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 \u0623\u0643\u062b\u0631 \u062a\u062d\u062f\u064a\u062f\u064b\u0627\u060c \u0641\u0625\u0646 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