Izinto ezingezona ezensimbi ezitholakala ku-gasket yizinto ezithambile ezijwayelekile, futhi ukuma kwayo kuyindilinga ngokuyinhloko. Kunzima ukusika ngesandla, futhi okukhiphayo kuphansi. Ukuthuthukisa ubuningi bokukhiqiza kanye nekhwalithi, kubalulekile ukwethula imishini yokusika okuzenzakalelayo.