Kugwiritsa ntchito: Wogwira ntchito akuthandizani asidi, kuchepetsa alkali kapena asidi amphamvu, mankhwala a alkali ndi mankhwala ena. Kawirikawiri amapangidwa ndi mphira monga NR, CR, EPDM ndi fluororubber. Amagwiritsidwa ntchito monga nsalu ya asidi ndi ya alkali, yomangira ndi apron. Pulogalamu yamagetsi imagwiritsidwa ntchito poponya mitundu yonse ya mafuta osindikizira mafuta, zisindikizo, mphete, ndi ntchito, pansi, zinthu zamagetsi ndi malo okalamba omwe amawoneka ndi mafuta. Ali ndi kusindikizidwa bwino ndi kutaya kutaya.
