Ob chav hniav mining tshuab tsis ua haujlwm sib txawv hnav ntawm sab laug thiab sab xis
Hauv granite mining txiav, ob chav hniav mining tshuab feem ntau muaj qhov sib txawv pom cov ntu hnav ntawm ob sab.
Txawv hnav ntawm sab laug thiab sab xis
Ua rau kev tsom xam
1. Xaws spindle
2. Hnav nyob rau ntawm lub spindle sab nraud txoj kab uas hla ntawm lub saw saw yog dai
3. Lub qhov nruab nrab ntawm cov saw hniav loj dhau
Txoj kev daws teeb meem
1. Kho cov kabmob tshem tawm lossis hloov cov kabmob
2. Hloov cov spindle
3. Hloov cov saw hniav
