Cleaning Stained Wood
A nice wooden table can easily be ruined by a ring stain left behind by a drink that was placed on the table without a coaster. Here’s another great time to use WD40. However, you should probably stock up on some coasters to avoid stains altogether.
Open Rusted Locks
Locks can help you keep storage sheds in the backyard secure and keep our belongings safe in a public locker. However, if you try to open the lock and you find that it is sealed shot, things can get pretty stressful. Use a bit of WD40 to help loosen up the lock.