One of the most commonly used forms of steel is wire. It is found in everything from springs, conveyor belts, and bicycles to shopping carts, lobster traps, and chain-link fences. But all those ...
An array of powder-metal parts. Powder metallurgy was practiced long before ancient artisans learned to melt and cast iron. Egyptians made iron tools using PM techniques back in 3,000 B.C. The ancient ...
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