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    • Piece of cheese in vacuum plastic packaging.
    Rights: ryzhov Published 7 December 2021 Size: 140 KB Referencing Hub media

    Vacuum packaging keeps food fresh by removing oxygen before the package is sealed. This helps to prevent the growth of microorganisms. Vacuum packaging machines originated during the Second World War.

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      Pōhā – rokiroki kai

      Food preservation is something that most people take for granted. Our cupboards contain tins, jars, sealed bags and boxes. Refrigerators and freezers store perishable foods. We continue to use ...

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