Which was not a labor-saving device that first appeared around the beginning of the twentieth century?

A.
washing machine

B.
spinning wheel

C.
sewing machine

D.
vacuum cleaner

Question

13-02-2015
History

Answered

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Which was not a labor-saving device that first appeared around the beginning of the twentieth century?

A.
washing machine

B.
spinning wheel

C.
sewing machine

D.
vacuum cleaner

Sagot :

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