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Your most important choice is who installs and services your

Your most important choice is who installs and services your plumbing system! Â is used when testing a pipe for air tightness and this involves stopping up both ends of the pipe and then putting the pipe under air pressure using a testing device.â if the pressure drops then the pipe has failed the test. Earn approximately $,* during a -year apprenticeship (*includes wage and fringe benefits).

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