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pe100 ipayipi

PE100 SDR11 Polyethylene Ipayipi Legesi
Ukukhethwa komsebenzi wamapayipi kubalulekile ezinhlelweni zesimanje zokusabalalisa igesi. Akudingi nje kuphela ukuthi iqine, ukumelana nokugqwala futhi kuhlala isikhathi eside, kufanele futhi ihlangabezane nezindinganiso zokuphepha eziqinile. Eminyakeni yakamuva,…
