Abbey from Abbey Road posted a while ago about WD 40. This would have to be one of the best inventions. Here is a list of things that WD 40 can do: 1. Protects silver from tarnishing. 2. Removes road tar and grime from cars. 3. Cleans and lubricates guitar strings. 4. Gives floors that 'just-waxed' sheen without making them slippery. 5. Keeps flies off cows. 6. Restores and cleans chalkboards. 7. Removes lipstick stains. 8. Loosens stubborn zippers. 9. Untangles jewelry chains. 10. Removes s