Yuav ua li cas xaiv txoj hlua khi

Kev xaiv cov slings yuav tsum tau sib xws nrog cov hom ntawm cov khoom yuav tsum tau nqa, ib puag ncig tej yam kev mob thiab cov kev cai tshwj xeeb.Cov slings yuav tsum nruj me ntsis soj ntsuam ua ntej siv, thiab tsuas yog cov uas ua tau raws li kev nyab xeeb xim yuav siv tau. Yog tias cov hlua khi puas raug pom tias tsis tuaj yeem siv tau lawm, lawv yuav tsum tau muab pov tseg.Thaum hoisting, cov hlua xaiv yuav tsum yog tib qhov ntev.Lub sling tsis tuaj yeem tshaj nws cov peev txheej nqa, thiab cov hlua tsis tuaj yeem tshaj nws qhov siab tshaj plaws kev nyab xeeb ua haujlwm.