Aub tawb yuav lus qhia

1. Saib cov tsos: tsis muaj qhov tsis paub qhov pob, khawb, xim xim thiab lwm yam kev xav tau ntawm cov yas;Hlau bar khoom yuav tsum tsis muaj xeb, tsw,pes aub.

2. Saib qhov vuam: qhov vuam yuav tsum tsim nyog kom tsis txhob muaj kev khiav tawm ntawm cov tsiaj thiab daim npav.

3. Saib cov xim pleev xim: cov xuab zeb blasting nto yuav tsum tau kho, nto galvanized xeb, kub kub ci xim.

4. Bearing gravity: lub bearing quab yuam yuav tsum tsim nyog thiab muaj zog.

5. Saib hauv qab ntawm lub tawb: lub hauv qab ntawm lub tawb yuav tsum tau tsim nrog encryption, kom tus dev nyob tau yooj yim thiab txo nws tus kheej.