Recycling has become a healthy habit for most Australian households, but despite our best efforts, around ten per cent of the items placed inside our household yellow bins don't actually belong there. In some council areas around Sydney, that figure is as high as 30 per cent. 9News was given rare access to the country's biggest recycling plant - the VISY Materials Recovery Facility at Smithfield in Sydney's west to see what happens after your yellow bin is collected.