THE MYTHBUSTERS offer advice on extreme plumbing:

The forces at play with high-pressure tanks can be huge. If the energy stored in a workshop air-compressor tank is released all at once, it can hurt or kill a person. I once complained to our insurers, “Why are you so fussy about the explosives we use on the show? Every day we make rigs using pressure tanks that are just as dangerous.” Big mistake. Now they fuss about pressure tanks, too.

Read the whole thing, which is quite amusing.