Discretely hands the baton over to Rosie!
This one is MINERAL, sort of. Should be fairly easy.
That was a bit quick. Next time it'll be a particular steam engine. *evil grin*
ANIMAL with VEGETABLE and ABSTRACT connections.
Now I've got to do bit of thinking - thinks - Ah, yes - It's ABSTRACT, with ANIMAL connections.
Nothing whatsoever to do with steam engines.