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BPA is commonly used in food and drink packaging, where the molecule is usually locked in as part of a complex polymer. However, concerns have also been raised over its presence in the thermal paper used mainly in till receipts. In thermal paper the compound exists as a free monomer, which makes it easier for the body to absorb than other forms found in food packaging.

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• 謝謝。看來銀行超市出納員得小心。 -viewfinder- ♀ (0 bytes) () 04/03/2015 postreply 18:30:40