ECE R107 Mining Lub Tsheb Tsis Siv Neeg Qhuav Hmoov Hmoov Tsuag Hluav Taws Xob Hluav Taws Xob

ECE R107 Mining Lub Tsheb Tsis Siv Neeg Qhuav Hmoov Hmoov Tsuag Hluav Taws Xob Hluav Taws Xob

1. Cov Khoom Qhia:

ECE R107 Cov Ntawv Pov Thawj Ua Haujlwm Siv Lub Tshuab Hluav Taws Xob Tsis Siv Neeg Qhuav Cov Hluav Taws Xob Hluav Taws Xob yog siv rau hauv cov tsheb tsuas, cov cuab yeej siv, xws li cov tsheb loj, tsheb laij teb, tsheb npav, tsheb tub rog, khoom siv rau hauv av thiab cov khoom siv tawm ntawm txoj kev.Because lawv tsis yog-coj, lawv tuaj yeem siv tsis tas kom tua hluav taws hauv cov khoom siv hluav taws xob yooj yim, tab sis kuj tseem siv cov nplaim hluav taws ua kua uas muaj cov khoom siv hluav taws xob nyob.

2. Khoom Nta.

ECE R107& Kev lees paub CE;

Tus neeg sawv cev: Cov hmoov qhuav, Ua npuas ncauj

Ua Caw Los Tau Kho Siab

Ua kom sov sov, tsis muaj hluav taws xob;

Yooj Yim Installation thiab txij nkawm;

Haum rau Cov Hnyav Hnyav Cov Hnyav Cov Tsheb Me, Tsheb Npav, Tshav Dav Hlau Tsheb, Tsheb, Nkoj, nkoj, Tsheb, Tsheb Tub Rog

3. Kev tsis:

4. Ntau Ntxiv Piv txwv cov duab:


5. Tus neeg sawv cev rau kev xaiv (hmoov qhuav, ua npuas dej, dej tsis haum):

6.Mov khoom thiab thauj khoom.

7.Our lub tuam txhab cov ntaub ntawv.