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Plastic Numbers: Breaking Down Recycling Codes
Most plastics contain a recycling symbol formed from arrows ... trays that hold fruit and sweets and food wrap (like cling ...
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Aluminum cans account for one-third of all recycled materials — and are now the most valuable commodity in the national recycling system
From its status as the symbol of roadside trash in the 1970s, the humble aluminum can has risen to become the single most valuable commodity in the national recycling stream. While aluminum cans ...