Joining Plastic Shelves
It is not hard at all to put plastic shelves together. However, a problem might arise when you have to disassemble it. If you want to avoid this frustration, spray the sliding bits before you set them up!

Joining Plastic Shelves
Whitening Fiberglass Bathtubs
Does your bathtub come with stains on the surface? Yikes. Sadly, it is not always easy to remove these things. If you WD-40, it will be much easier to do such a thing. This spray is truly something else!

Whitening Fiberglass Bathtubs