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Expiration stickers can help you to know what the foods in the refrigerator and
the expiration date of each food. During manufacturing process, the expiration
date is sealed on the sticker and then the expiration sticker will be sealing film on
the food bags.
Before putting foods in the refrigerator, consumers can tear out the expiration
sticker and stick on the refrigerator. Consumers don’t open the refrigerator and know every kind of foods and expiration dates in the refrigerator.
National Taipei University of Techn