soo bandhigid: Xabagta koloriinta ee polyvinyl, oo loo yaqaanno resin PVC, waa unug polymer ah oo laga sameeyay vinyl chloride monomer (VCM). Iyada oo ay ugu wacan tahay sifooyin badan oo xoog leh, xabagta PVC si weyn ayaa looga isticmaalaa warshado kala duwan, oo ay ku jiraan daryeelka caafimaadka. Blog-kan, waxaan ku sahamin doonaa muhiimada o...
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