MCQ Mining Questions
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- เผยแพร่เมื่อ 11 ก.ย. 2024
- This video contains another set of questions that are important for upcoming mining examinations.
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Wow... great 😃👍👍
Great video 👍
Carbon tetra chloride & class A fire like wood, synthetic cloth etc.
Carbon tetrachloride
Class A- solid
Class b liquid
Class c gas
Class d metal
Class e electric