Surface mining equipment. A tractor with a movable steel blade mounted on the front. It can be used to remove overburden that needs little or no blasting.
A soft coal that is considered better than lignite but worst than anthracite. It's about 60-80% carbon with the rest being water, air, hydrogen, and sulfur.
A highly venomous snake from the elapidae family native to Asia and Africa. When alarmed, a cobra raises its head and expands the skin of the neck to ...
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