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Weapons of World War I
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News •

Cabinet approves energy-saving appliance rebate extension • Apr. 30, 2025, 8:04 AM ET (Taipei Times)

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Key People

Willis Carrier
Willis Carrier
American inventor

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ball bearing. Disassembled ball bearing. rotational friction Automobile Industry, Engineering, Industry, Machine Part, Metal Industry, Sphere, Steel, Wheel
Inventors and Inventions