The many roles of a multi-purpose lubricant: There is a vast armoury of fluids on the market that can be used to help free off seized nuts and bolts, drive water from electrical contacts, clean plastics, remove tar from paintwork. And so the applications list goes on. For all of that, one name continues to be held up as being the absolute ‘Jack of all Trades’. Here we list just a few of the jobs that fall within the remit of WD-40