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Just what are the mining equipment and machines that can be found underground?

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Autor: Dantes Edmond
Źródło: http://www.flickr.com
Coal mines are the unique work places. Many mining machines as well as other equipment which may be found there are also out of ordinary and different from the equipment that may be seen in several building sites situated on the ground.


The reason why many mining machines are various than ordinary tools?


First of all, it's worth to begin with the different working conditions that may be found below ground.