Bronze	1	40	1	1	GenResource	TIN	COPPER
Brass	10	40	1	1	GenResource	ZINC	COPPER
Steel	15	120	1	1	GenResource	IRON	COAL
Spidersteel	20	120	1	1	GenResource	SILK	MITHRIL
Adamantite	30	250	1	1	GenResource	MITHRIL	STEEL
Atlantite	40	200	1	1	GenResource	MITHRIL	SEAWEED
