The rolls and other snacks should be fresh and tasty—and wrapped or eaten on the spot. Hungry students, commuters, and tourists in pedestrian zones and at train and metro stations are eager consumers of sandwich rolls. For their part, the bakery shops always need to have the “right” snacks in their self-service cases for the shortest possible periods of time so their wares will also be fresh. If the shops fail to ensure this, they will end up with disappointed customers and a growing…
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