Makasi a phazi lachikopa la Bensen ndi omasuka kwambiri, amamva bwino pamapazi, ndipo ndi osavuta kuyeretsa komanso kukwanira bwino ndi galimoto yoyambirira kuti ayendetse bwino.
Mapazi a chikopa amathanso kuwongolera bwino fumbi ndi dothi pamtunda wa ma phazi, kusunga mpweya mkati mwagalimoto waukhondo komanso watsopano nthawi iliyonse.
Mapazi a PVC opangira chikopa amathanso kuwongolera bwino fumbi ndi dothi pamtunda wa maphazi, kusunga mpweya mkati mwagalimoto waukhondo komanso watsopano nthawi iliyonse.
Bensen's PVC phazi lachikopa ndi ndalama ndipo zinthu zachikopa ndi zosavuta kuyeretsa ndi zosavuta kuchotsa ndi kusintha.