The bottle of Aluminium can is fed into the machine and the bar code is read. The item will pass into the machine and be crushed. Here in Portland Oregon the refund is by way of a ticket from the re-cycling machine that can in this case be cashed in Safeway or used to purchase goods. On the left my receipt for my re-cycled soda pop bottle.
Maybe this deposit might encourage more re-cycling in the UK. A lot of deposits are collected by homeless people who gather up discarded items thus cleaning the city streets.