best inventions in mechanical
Best Inventions of the 20th Century
Few of the important inventions of the 20th century are enlisted below.
•Internal Combustion Engine
•Electric Light
•Velcro
•Automatic Washing Machine
•Jet Engine
•Helicoptor
•Radar
•Microwave Ovens
Best Inventions of the 20th Century
Few of the important inventions of the 20th century are enlisted below.
•Internal Combustion Engine
•Electric Light
•Velcro
•Automatic Washing Machine
•Jet Engine
•Helicoptor
•Radar
•Microwave Ovens
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