I-Polyvinyl chloride (PVC) iye yavela njengento eguquguqukayo kwaye isetyenziswa ngokubanzi kushishino lolwakhiwo, lweemoto, kunye nefenitshala ngenxa yokuqina kwayo, ukufikeleleka kwayo, kunye nokulula ukusetyenzwa kwayo. Ukwenziwa kweprofayile yePVC, inyathelo elibalulekileyo ekuguquleni intlaka yePVC ekrwada ibe ziiprofayile ezisebenzayo, pl...
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