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What Those Plastic Recycling Numbers and Symbols Really MeanUnfortunately, part of the problem is a general lack of understanding of each recycling symbol and what it means. You may have noticed that all plastic has a symbol with three arrows. This ...
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The recycling symbol might get a makeover. Experts say it's deceptive — and probably illegalThis story was originally published by Grist. Sign up for Grist’s weekly newsletter here. Walk into the grocery store and check the back of a container of food. Chances are, you’ll see a small ...
The most widely used of all ISA standards, ISA-5.1, Instrumentation Symbols and Identification, has been published in a 2022 version that provides clarifications and corrections to the previous 2009 ...
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