1, tsis tuaj yeem ua cov kub kub lossis lwm yam khoom kub-siab rau ntawm qhov khoom siv cuab yeej khoom siv lub thawv rau khoom (iav, stainless hlau, hlau kov, thiab lwm yam), yuav tsum siv lub ntsuas tawm, cov qhov rwb thaiv tsev, thiab lwm yam. ua rau muaj kev sib thooj ntawm lub cev los yog kab mob.
2, yuav tsum tau kho cov khoom siv kho kom huv si, ua kom raug los ntawm kev siv cov dej hauv qhov chaw yuav tsum tau so qhuav sai sai tom qab siv, feem ntau ua kom huv si thiab qhuav.
3, tsis txhob siv cov khoom ntse, cov khoom tawv khov, cov khoom siv khov kho, cov khoom siv ntub ntub, los yog cov ntaub ntub dej ntub dej kom huv si, tom qab cov dej yuav tsum so qhuav.
4, qhov kub loj los yog khawb, qhov hluav taws thiab pa luam yeeb yuav ua tau cov nplaum xuab zeb (400-500) maj mam sib tsoo lub dav hlau, thiab muab cov ntaub nplaum pov tseg.
5, hlau ntsia hlau, hinges, hinges, thiab lwm yam yuav tsum tau ua ntu zus nrog roj lubricating kom muaj lub teeb lubrication. Tsis txhob siv cov khoom nyuab rau kev cuam tshuam los yog siv cov cuab yeej kho kom khaus lub nplaim hlau kom tsis txhob sib chwv nrog cov yam ntxwv tshwj xeeb xws li hydrochloric acid, ntsev, thiab ntsev.