jenni27 jenni27
  • 19-05-2016
  • History
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What other inventions have diminished the need for manpower ?

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UtaKagune1
UtaKagune1 UtaKagune1
  • 19-05-2016
Computers, touchscreen smartphones, self driving cars most of all.
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ejsennott
ejsennott ejsennott
  • 19-05-2016
Machines used in factories, Software that can do clerical work, Bulldozers, excavators and cranes.
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