China Coal Group - science and...
220×156 3055 862
Coal Blocks - ore - Lossless P...
140×132 4638 1224
Mine Cart - industry - Transpa...
512×512 2780 591
Power Plant - chimney - No Wat...
256×256 4098 1038
Coal Block - fossil fuel - PNG...
218×220 5046 1145
Coal Lumps - fossil fuel - Los...
218×220 1035 236
Coal Brick - fossil fuel - Hig...
300×100 3067 686