Problem with Grease
The wool grease is sticky and comes in lots of colours, like brown and, err, brown and a sort of yellow-brown.
Sometimes it's brown.
Wool grease needs to be pumped out of the drums into a big tank where extra ingredients are added to separate the lanolin - but wool grease is a sticky, thick material, not at all runny, so it will not go through pipes easily.
Making it runny
How do you think the wool grease can be made runny?
Talk about it and see which of these ideas you think will work.
Cool it down | Heat it up | Mix it with water
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