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Coal
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure. Coal is composed primarily of carbon along with variable quantities of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen.
Industry: Energy
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Coal
Most carrier
Energy; Coal
Mobilním operátorovi na gumové pneumatiky. Se používá jako meziprodukt mezi těžební stroje a vstupní dopravník.
Bump (nebo shlukové)
Energy; Coal
Silné energie uvolnění u skály kolem pracovní nebo tvář oblast, která je způsobena stresu.