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Know your numbers! Recycling plastic is all about the number on the bottom of the bottle. These recycle numbers indicate the type of plastic used and how easily the item can be recycled. Numbers 1 and 2 are most widely accepted for recycling purposes. Numbers 3 through 6 have limited recycling abilities and are not accepted at some recycling centers. Number 7 is the least recyclable material and is not accepted at most centers.
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