Healthy snacks and lunches?

I work at a grocery store and we get 12 minute breaks and 30 minute breaks. I was wondering, what would be a good snack for a 12 minute break, and a lunch/supper for a 30 minute break. Something that I could just pick up at the store with no cooking involved? Also, what are the best drinks to choose from?
Healthy snacks and lunches?
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