Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of air shaft is as below...

Air Shaft :: Air shaft () A passage, usually vertical, for admitting fresh air into a mine or a tunnel..

Plumming :: Plumming (n.) The operation of finding, by means of a mine dial, the place where to sink an air shaft, or to bring an adit to the work, or to find which way the lode inclines..

Shaft :: Shaft (n.) A long passage for the admission or outlet of air; an air shaft.

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