The second in the series “How it Works” is about Plastics and was filmed (scroll down ‘Past Events’ to see pictures of filming) at the Silk MIll last summer. It was shown on BBC 4 on Monday 9th April at 9pm and then will be on iplayer for a month or so.
http://www.bbc.co.uk/iplayer/episode/b01fq06h/How_It_Works_Plastic_How_It_Works/ It is a very good series.  Here are some shots from the programme…