①building Thaiv hom ncej qauv, tsis zoo thiab zoo rigidity;
②Thebrated chav hydraulic zog, tshwj xeeb los ntawm -}}}}}} Kev ua haujlwm nrawm nrawm, muaj kev kub ntxhov siab;
③Tture Adapts rau ntau yam ntawm cov kab yeeb nkab, thiab cov qauv yog kev ywj siab ntawm txhua lwm yam, uas tuaj yeem ua kom muaj qhov tseeb uas tsis muaj kev poob siab;
{-} Tsis Siv Neeg Kub Phaj Yuav Tiv Thaiv Kom Tiv Thaiv Kom Muaj Kev Tiv Thaiv Tib Neeg;
⑤THTHE HAUV CUA KUB STOILSTATE muaj kev tswj hwm siab thiab ntsuas kub me;
⑥it muaj peev xwm weld ntau steel - pob qij txha, flanges thiab li qub;
⑦Difteren computer tswj lub tshuab tuaj yeem xaiv tau hloov kho rau semi - tsis siv neeg;
⑧llinage tiv thaiv muaj nuj nqi los xyuas kom muaj kev nyab xeeb ntawm cov txheej txheem kev tsim kho.