Show your recyclables some TLC.
Rinse out your containers. Watch out for soiled paper and cardboard. And don't don't ever throw plastic bags in your recycling bin. Doing so ensures that more of your recycling actually gets used to make something new!
another cool aspect to these facilities is the way they ingeniously sort materials from each other. they use air gusts, lasers, mechanical means and even electron streams to separate stuff out. the electron streams for example are used to sort magnetic from non magnetic metal.