Uruhu rwa PVC rwakozwe na Bensen ntabwo ruhendutse gusa, rworoshye, rutarinda amazi kandi ntiruha amazi, ahubwo runakoreshwa cyane, cyane cyane mugushushanya imbere yimodoka.Igishushanyo cyangwa ibara icyo ari cyo cyose ukeneye, Bensen arashobora kugitanga.Nyamuneka twandikire kugirango ubone ibisobanuro birambuye.