Face Mask Dichotomous Key

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Wayne's Word Face Mask Couplet Dichotomous Key

1A. Mask designed to cover mouth & nostrils. ...................................
1B. Mask designed to cover one or more eyes. .................................

2A. Mask made of polymer material. ....................................................
2B. Mask made of woven cloth. ............................................................

3A. Straps on mask go behind ears. .....................................................
3B. Straps on mask go behind neck & head. .......................................

4A. Straps on mask usually go behind ears. .......................................
4B. No Straps; tied around neck & pulled up over face. ....................

5A. Mask made to completely cover one eye. ....................................
5B. Mask made to cover both eyes & still see. ...................................

 2A
5A

3A
4A

KN95
N95

Cloth Mask
Bandanna

Eye Patch
Bandit Mask