Electronic human resources

#	Item
311	Recycling—Metals By Staff Introduction1 Metals are important, reusable resources. Although the ultimate supply of metal is fixed by nature, human ingenuity determines the quantity of supply available for use by Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2007-08-31 11:12:15 Metallurgy Building materials Dietary minerals Transition metals Scrap Non-ferrous metal Electronic waste Ferrous metal recycling Stainless steel Chemistry Matter Chemical elements
312	RECYCLING—METALS BY STAFF Introduction1 Metals are important, reusable resources. Although the ultimate supply of metal is ﬁxed by nature, human ingenuity helps to determine the quantity of supply available for use a Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2004-09-14 12:35:27 Chemical elements Post-transition metals Poor metals Building materials Scrap Waste management Electronic waste Ferrous metal recycling Brass Chemistry Matter Periodic table