1, kev yuav khoom steel hlau hlua yuav tsum ua kom tau raws li kev ruaj ntseg ntau lawm.
2, raws li qhov hnyav ntawm cov khoom los xaiv cov hlua hlau thiab shackle tsim nyog.
3, kev siv cov hlua hlau yuav tsum xyuas lub xeev ntawm cov hlua hlau, nruj me ntsis txwv tsis pub siv cov hlua hlau tsis tsim nyog.
4. Thaum nqa cov khoom loj, lub shackle yuav tsum tau tuav ruaj khov, thiab cov hlua hlau steel lub taub hau ntawm tus nuv loj ntawm crane yuav tsum tau kho kom ruaj khov nrog lub shackle.
5, kev siv cov hlua khi ncaj qha nqa cov khoom ntawm cov npoo thiab cov ces kaum yuav tsum tau padded.
6, lifting kev khiav hauj lwm, yuav tsum muaj ib tug tshwj xeeb hais kom ua, cov lus txib cov cim qhia yuav tsum meej, thiab nyob rau hauv raws li cov kev cai.
7. Thaum dai, lub kaum sab xis ntawm cov hlua dai yuav tsum tsawg dua 120 degree, kom tsis txhob muaj zog ntau dhau ntawm cov hlua dai.
8, hais kom flipping lifting khoom, yuav tsum tau qhia los ntawm ib tug tshwj xeeb, yuav tsum tau ua kom nws qhov chaw ntawm lub ntiajteb txawj nqus hloov smoothly.
9. Thaum nkag mus rau qhov qis ntawm qhov hnyav, hu rau tus neeg tsav tsheb ua ntej thiab teeb tsa kev txhawb nqa. Nws yog txwv tsis pub taug kev lossis ua haujlwm hauv qab cov khoom hnyav.
10, kev xaiv cov hlua hlau tsim nyog rau kev nqa cov haujlwm, nruj me ntsis txwv tsis pub siv cov hlua hlau luv luv lossis pob.
11, lub crane yuav tsum nruj me ntsis ua raws li cov kev cai ntawm kev nyab xeeb kev khiav hauj lwm crane, nruj me ntsis raws li tus neeg tsav tsheb crane "kaum tsis nqa" cov kev cai.
12, kev ua haujlwm tiav, cov hlua hlau yuav tsum muab tso rau hauv qhov chaw khaws cia.
