Nakuba usayizi uyisici esibalulekile lapho ukhetha ama-flange, izindololwane, nezinye izingxenye zenqubo yakho yokufaka amapayipi, iziphetho zamapayipi ziwukucatshangelwa okubalulekile ukuze kuqinisekiswe ukulingana okufanele, ukuvala okuqinile, nokusebenza okuphelele.Kulo mhlahlandlela, sizobheka ukumiswa okuhlukahlukene kokuphela kwamapayipi okutholakalayo, i-sce...
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