The mining world has a tremendous familiarity in fostering field workers well, in order to produce maximum production for the sustainability of the mine itself. 
The terrible mining area makes some people afraid of the mining world, but many miners enjoy the world because they know the mine's material greatly affects the life of the world. 
It is this teacher who introduces the mining world is very difficult when we respect each other the field workers, he is also very solidarity to the students.... "Thank you teacher"
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