Ukukhishwa kwepulasitiki, okufana namaphrofayili e-UPVC (i-polyvinyl chloride eqinile) noma imikhiqizo yamapayipi, kwakhiwa ngokuyinhloko ngokuxuba, ukucutshungulwa kwe-extrusion, ukubunjwa, ukudonsa, nokusikwa kwenhlaka ye-PVC nezinye izithasiselo ezihlobene.Izinto ezithinta ukusebenza kwemikhiqizo zihlanganisa i...
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