Already Got Some WD-40 Around the House? Use It for These Things

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This Way You Prevent It from Rusting

Gas Tank Lid

This is another important reason why you should always have a can of WD-40 in your car. You probably won’t even think about it, but every time you open and close the gas tank lid, this takes its toll on the lid, especially when you live in a salty area. Therefore, it is important to squirt a little bit of WD-40 on the lid. Do this several times a year, so that the lid doesn’t rust.