I-PVC yensimbi yentsimbi yombhobho inokohlulwa ibe yinqanaba lemizi-mveliso (ngokukodwa ukuhambisa amanzi amashishini, i-oyile, umgubo welindle, izixhobo zekhemikhali ekrwada, njl.njl.) kunye nebakala lokutya (imveliso yokutya ehambisa ijusi, ubisi, amanzi atyiwayo, i-winery yokuhambisa) utywala, ibhiya njl. , ukuveliswa kwamandla omoya, ukufunxa kunye nokukhupha amanzi, iimveliso ze-oyile, iikhemikhali ezinobunzulu obuphantsi kunye nolunye ulwelo kunye namasuntswana aqinileyo kunye nemathiriyeli engumgubo.