(1) Cov vuas fiberglass feem ntau yog siv rau cov ru tsev nrog lub nqes hav ntawm 20 ~ 80 degrees.

(2) Kev tsim kho ntawm lub hauv paus cement mortar leveling txheej

Cov kev cai nyab xeeb rau kev tsim cov vuas asphalt

(1) Cov neeg ua haujlwm tsim kho uas nkag mus rau hauv qhov chaw tsim kho yuav tsum hnav lub kaus mom kev nyab xeeb.

(2) Nws raug txwv tsis pub ua haujlwm tom qab haus dej cawv, thiab cov neeg ua haujlwm uas muaj ntshav siab, ntshav tsis txaus thiab lwm yam kab mob raug txwv tsis pub ua haujlwm.

(3) Thaum lub sijhawm tsim kho qhov siab, yuav tsum muaj kev nyab xeeb thiab txhim khu kev qha, thiab cov neeg ua haujlwm tsim kho yuav tsum khi thiab dai txoj siv sia ua ntej.

(4) Cov neeg ua haujlwm tsim kho ru tsev yuav tsum hnav khau mos mos, thiab tsis pub hnav khau tawv thiab khau tawv.

(5) Siv ntau yam kev tswj hwm kev nyab xeeb thiab kev ntsuas ntawm qhov chaw tsim kho kom nruj.

(6) Kev tsim kho yuav tsum tau ua raws li cov txheej txheem kev nyab xeeb ntawm qhov chaw tsim kho.

(7) Yuav tsum muaj cov scaffolds, cov ntaub thaiv kev tiv thaiv thiab lwm yam khoom siv.