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Earn +20 ptsQ: What is rat hole mining?
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How did new technology change mining?
well new technology made penetration much easier for miners to get in the hole, and the introduction of the canary made it easier not to choke and to dig in the hole for a longer period, the creation of the roller steamer made the mining hole wet for easier digging and penetration to the gold
How do you make a small hole in metal wider eg to fit in a pin?
By hand using a rat tail file, or use a drill slightly lager than the existing hole
What are some gold mining techniques?
Panning, filtering, mining & chemical mining
What are two types of mining?
The two types of mining are Open-cast mining and Underground mining. Underground mining is further divided in to Adit mining and Shaft mining.
What mining do engineers do?
they design mining equitment
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