1. Kev tshuaj xyuas zoo ntawm kev lag luam scaffolding. Ua ntej yuav nkag mus rau lub tsev tsim kho, cov scaffolding yuav tsum yog kev kuaj xyuas zoo thiab tsim nyog, nrog daim ntawv qhia tshuaj ntsuam xyuas zoo.
2. Xaiv lub xaib thiab kev kuaj xyuas qhov kev tshuaj xyuas zoo ntawm cov duab geology ntawm lub xaib yog qhov chaw tiaj tus, thiab yuav muaj kev sib tsoo. Yog tias geology ua tau raws cov qauv thiab hauv av yog tiaj tus, lub hauv paus uas kho tau tuaj yeem tso tau. Kho nrog cov khoom siv tau.
3. Tau muab pov thawj kev ua yeeb yam kws kho mob yuav tsum ua cov neeg ua haujlwm tsim kev cai, kev ua kom tsim nyog, thiab kev rhuav tshem ntawm kev lag luam scrackts; Cov neeg ua haujlwm tsis yog kev tshwj xeeb tsis pub koom nrog kev ua haujlwm ua erections. Scaffleers yuav tsum hnav cov kaus mom kev ruaj ntseg thiab txoj kev ruaj ntseg ceev ceev kom raug thaum nkag mus rau qhov chaw tsim khoom. Txhua tus neeg teb xov tooj rau ntawm lub thav duab yuav tsum tau nruab nrog cov hnab looj tes tsis-khau, thiab cov khau kom ruaj khov lossis hnab rau khoom. Cov cuab yeej ua haujlwm yuav tsum tau dai rau ntawm kev nyab xeeb hooks lossis muab tso rau hauv lub hnab.
4. Thaum txhawb nqa tus ncej, txhim kho thawj-pem teb ntsug ncej, thiab nteg daim kab pheebsuab, thiab teeb tsa cov kauj ruam deb, thiab erect raws li kev pom zoo ua ntej kev tsim qauv. Siv raws li kev tshuaj ntsuam xyuas kev nyab xeeb.
Lub sij hawm Post: Lub Yim Hli 05-2024