In stop 2 a mine historian holds double jack hammer (sledge)hammer weighed about eight pounds!! there is a single jack hammer and it weighed about four pounds! a miner worked by him self with a single jack hammer but, in both cases the were both drilling holes.
the purpose of having a Change Room is everyday worker would come and hang their clothes on pegs and change into their mining clothes, after they would change from their wet mining clothes .
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