Why do American vending machines mostly dispense 20 fl oz (591ml) bottles, instead of the regular 500ml size? - Quora

Why do American vending machines mostly dispense 20 fl oz (591ml) bottles, instead of the regular 500ml size? - Quora

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Where can I find a beer dispensing vending machine? - Quora

What are the sizes of snack and beverage vending machines? - Quora

How much does the average soda vending machine make in a day? - Quora

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Why don't vending machines carry can soda in the U.S.? I only see

What are vending machines called in the United States of America

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Do/did your high schools have vending machines (USA)? - Quora