Worrying drop in fuel prices.

[om613]

Interesting term of phrases. Is it rubber or plastic? 2 different things. Polymer - many units, long non crystalline chain. Wot's polymerise, is it a new form of mastication? Or did you mean homogenous? But lets not get details involved in the discussion, huh?

I've found a super picture (and it's at the top of the link I've pasted below) just for you!
You're welcome to add your own adjectives, idioms or even chemical engineering terminology as you see fit.

http://www.vegetableoildiesel.co.uk/mybbforum/showthread.php?tid=10160