Monday, December 11, 2017
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Tag: enumerate the safety precautions while working in a biological/ chemical laboratory

Steel Pulleys and Wooden Pulleys

Steel Pulleys Steel pulleys are made from pressed steel sheets and have great strength and durability. These pulleys are lighter in weight (about 40 to 60% less) than cast iron...

Pointer in C language

LOUD SPEAKER

Knuckle Joint

Design of Knuckle Joint

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