1. Lub zog tsav tsheb yog me me, thiab cov khoom siv nkag thiab induction tso tawm tau txais yuav.
2. Lub lifting ntau yog dav. Hom hoist no muaj qhov xav tau tsawg dua ntawm hom thiab cov yam ntxwv ntawm cov khoom siv. Nws tuaj yeem tsis tsuas yog hloov kho cov hmoov nplej thiab cov khoom me me, tab sis kuj hloov cov ntaub ntawv nrog ntau dua abrasiveness. Zoo airtightness thiab tsawg ib puag ncig muaj kuab paug.
3. Kev ua haujlwm tau zoo, kev tsim qauv zoo tshaj plaws thiab cov txheej txheem ua haujlwm kom ntseeg tau tias tag nrho lub tshuab ua haujlwm, thiab teeb meem - lub sijhawm pub dawb tshaj 20,000 teev. Lub lifting qhov siab yog siab, thiab lub hoist khiav zoo, yog li nws tuaj yeem ncav cuag qhov siab dua.
4. Lub neej ua haujlwm ntev, tsis tshua muaj kev sib tsoo thiab kev sib tsoo ntawm cov khoom siv. Lub tshuab no yog tsim los xyuas kom meej tias cov ntaub ntawv tsis tshua muaj kev sib cais thaum pub mis thiab tshem tawm, uas txo cov neeg siv khoom siv.
