1, lubricate door hinges so they don't make noise. 2. Spray on trailer hitch to keep it from rusting. 3. Lubricate window frames to make it easier to open and close. 4. Clean keys and locks to keep them turning smoothly. 5. Spray metal shelves to remove/ prevent rust. 6. Spray snow blower to keep from rusting after snow melts off of it. 7. Spray garage door track to keep down on noise and improve the performance. 8. Spray knob on outside faucet to keep it from locking up. 9. Clean gun magazines to keep them clean and for an easy slide into gun. 10. Spray on expandable baton to ensure fast easy opening when needed in an emergency