I-PVC vs. Ipulasitiki Ejwayelekile: Ukuqonda Umehluko
Uma kuziwa ekufakweni kwamapayipi nokwakha, amagama athi PVC, UPVC, nepulasitiki avame ukusetshenziswa ngokushintshana. Kodwa-ke, kunomehluko ohlukile phakathi kwalezi zinto ezibalulekile okufanele uziqonde, ikakhulukazi uma kuziwa ekufakweni kwama-valve. Kulokhu a...
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