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The engineering behind how vending machines operate

How vending machines actually work behind the scenes. Pete Hegseth gets Navy sailors' reaction to "fat generals" speech Fetterman Breaks with His Party — Sides with GOP Bill ...

Officials propose innovative 'reverse vending machines' that pay residents when in use: 'It's a lot of money left on the table'

It involves a "reverse vending machine," a device sometimes seen at the entrance of supermarkets. The concept is simple: ...