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March 30, 2017

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How did the vacuum packed canning change society? And does anyone know how long this invention lasted before it for replaced?

  • Social Studies - ,

    Vacuum packed canning preserved food so that it didn't spoiled. It was better than drying or salting food to preserve it.

    We still have vacuum packed cans.

  • Social Studies - ,

    Oh, ok thanks. I have another question though. What were the different types of labor or jobs that were created in order to invent the invention?

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