Famous Inventions Part-1
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Famous Inventions Part-1


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Q.1 : Who invented Soft Contact Lens ?
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Q.2 : Who invented Gas turbine ?
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Q.3 : Who invented Telephone ?
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Q.4 : Who invented Penicillin ?
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Q.5 : Who invented Microwave Oven ?
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Q.6 : Who invented Spandex ?
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Q.7 : Who invented Portland Cement ?
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Q.8 : Who invented Sewing Machine ?
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Q.9 : Who invented Electron Microscope ?
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Q.10 : Who invented Crash Test Dummy
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