If you were walking behind two people & they drop food wrappers on the ground beside a garbage can.. do you (a) yell at them to pick it up(b) pick it up yourself or(c) ignore it & walk on ?
Wait till they've moved out of sight (in case it's a trick and they intend to rob you), then pick it up using a tissue, napkin, plastic wrapper, or some other germ barrier, and afterwards use hand sanitizer.
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