After the Christmas holidays, refuse collectors are hard at work making sure to collect all the rubbish we accumulate - from wrapping paper, to cardboard and food waste. But it turns out many of us might be making the bin workers' jobs a lot harder without knowing it. And now a bin man has issued a warning ahead of the holidays, so that we can make sure we're doing everything we can for the environment , and to make sure everything runs a little bit smoother. You might think that you're doing a