● Lub crane no ua haujlwm zoo heev nrog lub tshuab hluav taws xob hoist thiab yog qhov kev daws teeb meem zoo tshaj plaws rau kev ua haujlwm luv luv, nquag thiab siv zog ntau.
● Peb cov cranes jib sawv ntsug yooj yim siv, txuag lub sijhawm thiab lub zog, thiab zoo heev thaum ua kom muaj kev nyab xeeb thiab kev ntseeg siab ntawm kev ua haujlwm nqa khoom. Qhov chaw me me txuag tau qhov chaw ua haujlwm zoo heev.
● Ib qho ntawm cov yam ntxwv zoo tshaj plaws ntawm peb cov cranes sawv ntsug yog qhov hloov kho tau. Qhov ntev ntawm lub cantilever thiab qhov siab ntawm kem tuaj yeem hloov kho raws li cov xwm txheej ua haujlwm sib txawv, kom ntseeg tau tias cov kev cai tshwj xeeb ntawm koj txoj haujlwm tau ua tiav. Nws tuaj yeem siv rau ntau qhov chaw ua haujlwm.
● Txawm koj xav tau tsa khoom hauv lub Hoobkas tsim khoom, tsev rau khoom lossis chaw ua haujlwm, peb cov cranes jib sawv ntsug yog qhov kev daws teeb meem zoo tshaj plaws.