How to recognize plastics?

Hi all,

Does someone happen to have a nice chart on how to recognize which plastic your cutting with?

Thank you!

Elise

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http://www.boedeker.com/burntest.htm
https://makezine.com/2011/09/22/identifying-unknown-plastics/
http://www.modernplastics.com/wp-content/uploads/2015/03/how-to-identify-plastics.pdf

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