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Time-saving is one advantage. Take the invention of a relatively simple device such as the photocopier. Beforehand, if a person needed more than one copy of the same document - they had to type each copy manually ! This could often take hours - if there was a need for a lot of copies. The photocopier dramatically reduced the effort and time it took to produce multiple copies - therefore the worker could do other tasks, while the copier did the work.

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12y ago

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