Write the benifits preserving food in air tight stealed tins
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it keeps the food fresh for some days
anuragkaushik66:
hi swati
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Vacuum sealing was originally used by food packing companies in the 1940's as a way to save money. The technique prevented spoilage and prolong the shelf life of food products, especially ones transported over long distances. It not only hindered the growth of bacteria and mold, but it also kept food fresh and prevented freezer burn. Vacuum sealing is still used for the exact same purpose today. It's a convenient and economical way for households to preserve, protect, and store their food.
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