The opposite of duct tape.
Like matter and anti-matter, these 2 must never be brought in contact or the universe will be destroyed.
WD Stands for Water Displacement and it took the developers 40 attempts to get a formula which worked. Convair, an aerospace contractor, first used WD-40 to protect the outer skin of the Atlas Missile from rust and corrosion.
This bolt is stuck, better squirt some WD-40 in to it.
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