Yar koi abhi persestive Ka meaning bats do ..
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Preservatives: A substance used to preserve foodstuffs, wood, or other materials against decay.
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A preservative is a substance or a chemical that is added to products such as food products, beverages, pharmaceutical drugs, paints, biological samples, cosmetics, wood, and many other products to prevent decomposition by microbial growth or by undesirable chemical changes.
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