Rub down the window frame with abrasive paper then degrease the surface with white spirit.
The stock is usually seasoned, strained, degreased, and concentrated so it can be used as a base for sauces and soups.
If I didn't have a bad knee I'd be up on the kitchen counter degreasing the cooker hood.
Degrease your bike chain, and clean the cogs with a stiff-bristled brush.