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Cov Khoom Siv Rau Kev Lag Luam & Lub Tsev Lag Luam
1. Ntau lawm txoj hauj lwm raws li steel tsev kos duab tsim los ntawm peb tus engineer.
2. Peb kuj tuaj yeem ua cov khoom raws li cov duab kos los ntawm cov neeg siv khoom.
3. Kev tswj xyuas kev ua haujlwm zoo mus txog txhua kauj ruam thaum lub sijhawm tsim khoom.
4. Thib Peb Cov Kev Ntsuas Zoo, cov neeg siv khoom ntawm qhov chaw soj ntsuam zoo thiab lwm yam kev tshuaj xyuas tsim nyog, xws li BV lossis SGS.
Nyob zoo, tuaj nrog peb cov khoom!
