doordarshan dwara punah:prasarit kiye Jane vale karyakramo ko batate huye Mitra ko sandesh likhiye? (In Hindi)
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10 Key Inventions of the Industrial Revolution
Spinning Jenny. The 'Spinning Jenny' was an engine for spinning wool or cotton invented in 1764 by James Hargreaves, who had it patented in 1770. ...
Newcomen steam engine. ...
Watt steam engine. ...
The locomotive. ...
Telegraph communications. ...
Dynamite. ...
The photograph. ...
The typewriter.
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What is the meaning of that
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I hope you understand that
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