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Doctors Medicines MCQs Q&A

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Snack vending machines are sometimes slightly more complex than drink machines. Typically, you need to enter both a letter and a number on the keypad, corresponding to the column and row where the snack is located. Put in the correct amount of money or swipe your card, then punch in the appropriate letter and number (e.g., “3C”). Your snack should fall down into the tray at the bottom, where you can grab it by reaching through the door.

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