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by SimplePeople
2801 days ago
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These exist, are in use and have been commercialised. If you look very closely at the expiry date printed on packaged products you'll often find it's actually laser etched, not printed. It's considerably more reliable and readable, particularity for small fonts. In terms of used on fruit, see: https://www.theguardian.com/sustainable-business/2017/jan/16... |
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