All articles tagged as "mobius strip"

44 RECYCLE logos and symbols

The following text is from the PDF above: _ The PITCH-IN symbol This symbol of a stylized person cleaning up the environment was adopted in 1976. This is stated on the website of PITCH-IN Canada ( ) – associated Clean World  International. PITCH-IN Canada is a non-profit organization with worldwide membership. Unlike the other recycling symbols, this symbol is not primarily used to…
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