How about a dust collection system. Power for a belt sander. Accesory cutter on a lathe which holds woodruff key cutters or router blades for wood work. A lawn edger motor. A martini or milkshake stirrer. A CNC typewriter. No thats a word processor. A sure fire roach killer.A homemade pencil sharpener. Automated comb or toothbrush. Sorry, I couldn't resist.