clean bathroom tiles/mildew
Waterproof shoes/coats/hats
Remove superglue, dried glue, chewing gum
Degrease hands, bbq. Clean carpet stains
Remove tape marks, stickers
Clean lawnmower blades, clean oil stains
Unclog drains
WD-40 can also loosen the hold of strong adhesives such as super glue. So, if you drop some glue on the floor or bench, spray a little WD-40. In no time you'll be able to wipe the glob right of your bench surface.