Firstly, cia tham txog cov tswv yim tseem ceeb ntawm cov neeg nce qib. Nyob rau hauv cov nqe lus ntawm daim ntawv thov cov xwm txheej, txawm hais tias ncej siv cov tshuab hluav taws xob kuj tseem siv nyob rau cov chaw tsim khoom, tshwj xeeb yog nyob rau hauv cov tsev siab thiab super siab. Lawv yog cov cuab yeej tsim kho rau kev rho tawm cov khoom siv txuas thiab kho kom zoo nkauj sab hauv thiab sab nrauv tsev lag luam, txuas hniav, cov pa taws, thiab lwm yam haujlwm tsim kho. Lawv yuav tsum tau pauv txuas ntxiv nrog txoj haujlwm kev tsim kho. Tom qab ua tiav ntawm kev tsim kho ntawm ib qho chaw tsim kho, lawv yuav thauj mus rau lwm lub chaw tsim kho kom tau siv txuas mus ntxiv. Cov ncej hauv kev txhim kho tuaj yeem tawm mus tau rau lub installators ntawm cov neeg caij elevators Nyob rau hauv cov nqe lus ntawm cov yam ntxwv sib txawv hauv cov qhov sib txawv hauv cov chaw tsim kho, thaum cov neeg caij tsheb tsim kho kom haum rau cov kev tsim kho sib txawv thiab qhov loj me thiab.
Qhov chaw ntawm tus ncej of Of elevator muaj tsawg heev, thiab thaum nqa cov haujlwm yuav tsum tau ua, kev mob siab rau crane xav tau. Emet, ib hom Crane nrog kev taug me me thiab siv hluav taws xob me me los muab kev nqa khoom thiab nkag siab rau cov pa elevator siv.
