In the 1800 the miners had dangers jobs.Another thing is they would half to deal whith cold wind drafh. Anther thing is they has no power.As time went on they made new thing like light bubs and and beder tools.
One of these tools was the stem stoper this tool trils into the dirt and rock.How the miner could see in the darke each empoly was given a condl that would last for ten hours.The chang room was a room that prevanded siver for being stolend.