PVC simbi waya hose inogona kupatsanurwa mumaindasitiri giredhi (kunyanya kusvitsa mvura mumaindasitiri, mafuta, tsvina poda, kemikari mbishi zvinhu, etc.) uye zvokudya giredhi (chikafu fekitari inotakura muto, mukaka, mvura inodyiwa, Winery kuendesa) doro, doro nezvimwewo. , kugadzirwa kwesimba remhepo, kusveta uye kudhiraivha, zvigadzirwa zvemafuta, makemikari akadzika-concentration uye mamwe mvura uye yakasimba particles uye powdery zvinhu.