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A. a Chinese heavy black steel a Chinese black heavy steel a black heavy Chinese steel a heavy black Chinese steel
a decline in the railroad industry a revolution in the industrial world an increase in the price of steel a feeling of discontent among steel workers
steel guides steel shells steel bearing caps pig iron
a decline in the railroad industry a revolution in the industrial world an increase in the price of steel a feeling of discontent among steel workers
In Pittsburgh. In the Mesabi Range. Near Lake Michigan. Near Lake Erie.
cheaper and more plentiful lighter and easier to mold cleaner and easier to mine stronger and more durable
large black steel black large steel steel large black large steel black
Steel wire rope Manila Nylon Polypropylene rope
steel copper cast iron stainless steel
Cast iron Cast steel Forged steel Aluminum
the sacrifice from U. S. consumers. the government’s financial support. the reduction of steel product prices. the compromise from the labor force.
Trains. Planes. Boats. Trucks.
cast iron forged steel stainless steel aluminum alloy
Both seamless mild steel and copper may be used for middle pressure steam "hpair" means high pressure air The feed piping of the boilers can be made of seamless mild steel All oil pipings are made of mild steel
Steel brush Fine emery cloth or steel wool A section of the removed compression ring A case hardened scraper
low-half, cast iron; top-half, heat-resistant steel low-half, aluminum; top-half, stainless steel piston skirt; cast iron; piston crown; heat-resistant steel piston skirt; aluminum; piston crown; stainless steel
as much steel twice as twice much steel twice steel as much twice as much steel
It directed air at melted iron in a furnace, removing all impurities. It slowly heated iron ore then stirred it and heated it again. It changed iron ore into iron which was a substitute for steel. It could quickly find deposits of iron ore under the ground.