The glass and cans are taken about 25 miles away to Glass Recycling UK Ltd, in the village of Carlton, near Barnsley.
The cans are flattened, cleaned and separated - the steel is taken out by magnets and the aluminium by eddy currents.
The metals are then sent off to a local metal reclaimer.
But glass is the firm's major business. It collects thousands of tonnes every week from many different council collections and bottle banks.