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A supermarket / retail scale is used in bakery, deli, seafood, meat, produce and other perishable departaments.  Supermarket scales can print labels and receipts (in bakery specially), marks Weight/Count, Unit Price, Total Price and in some cases Tare, a supermarket label prints weight/count, unit price and total price. Some manufacturers are Adam Equipment, AEW Delford, Hobart Corporation, Bizerba, DIGI/Teraoka, Mettler Toledo, Cas, Avery Berkel,Ishidaand ATP-Instrumentation.  Some of the more modérn Supermarket scales will print a RFD tag which can be used to track the item for tampering or returns. In most cases these type of scales have a séaled calibration so that the réading on the display is correct and cannot be tampered with - in the USA the approval is NTEP, for South Africa it is SABS, the UK it is OIML.