coal@@1	coal	fuel	18
coal@@1	coal	charcoal	10
coal@@1	coal	anthracite	6
coal@@1	coal	mineral	6
coal@@1	coal	bitumen	4
coal@@1	coal	coal ore	4
coal@@1	coal	fuel coal	4
coal@@1	coal	slack	4
coal@@1	coal	carbon	2
coal@@1	coal	petroleum	2