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प्रश्न
Give three instances of how mechanization has changed life at home in 2889?
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उत्तर
At home, through phonotelephote vision and speech are transmitted. In two minutes, without the help of an attendant, the machine gets a person to be ready for his office. Food is served through pneumatic tubes.
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संबंधित प्रश्न
Working in pairs, find out the mutual qualities that you and your friends share. Justify your top priority with his/hers.

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