fan shaft
1Shaft construction — concerns the building of vertical openings such as Raises and Shafts. Shafts are vertical openings used for supplying equipment, personnel, and support systems to the horizontal tunnel where the pipeline is installed. They can be temporary or… …
2Fan — (f[a^]n), n. [AS. fann, fr. L. vannus fan, van for winnowing grain; cf. F. van. Cf. {Van} a winnowing machine, {Winnow}.] 1. An instrument used for producing artificial currents of air, by the wafting or revolving motion of a broad surface; as:… …
3Fan blower — Fan Fan (f[a^]n), n. [AS. fann, fr. L. vannus fan, van for winnowing grain; cf. F. van. Cf. {Van} a winnowing machine, {Winnow}.] 1. An instrument used for producing artificial currents of air, by the wafting or revolving motion of a broad… …
4Fan cricket — Fan Fan (f[a^]n), n. [AS. fann, fr. L. vannus fan, van for winnowing grain; cf. F. van. Cf. {Van} a winnowing machine, {Winnow}.] 1. An instrument used for producing artificial currents of air, by the wafting or revolving motion of a broad… …
5Fan light — Fan Fan (f[a^]n), n. [AS. fann, fr. L. vannus fan, van for winnowing grain; cf. F. van. Cf. {Van} a winnowing machine, {Winnow}.] 1. An instrument used for producing artificial currents of air, by the wafting or revolving motion of a broad… …
6Fan shell — Fan Fan (f[a^]n), n. [AS. fann, fr. L. vannus fan, van for winnowing grain; cf. F. van. Cf. {Van} a winnowing machine, {Winnow}.] 1. An instrument used for producing artificial currents of air, by the wafting or revolving motion of a broad… …
7Fan tracery — Fan Fan (f[a^]n), n. [AS. fann, fr. L. vannus fan, van for winnowing grain; cf. F. van. Cf. {Van} a winnowing machine, {Winnow}.] 1. An instrument used for producing artificial currents of air, by the wafting or revolving motion of a broad… …
8Fan vaulting — Fan Fan (f[a^]n), n. [AS. fann, fr. L. vannus fan, van for winnowing grain; cf. F. van. Cf. {Van} a winnowing machine, {Winnow}.] 1. An instrument used for producing artificial currents of air, by the wafting or revolving motion of a broad… …
9Fan wheel — Fan Fan (f[a^]n), n. [AS. fann, fr. L. vannus fan, van for winnowing grain; cf. F. van. Cf. {Van} a winnowing machine, {Winnow}.] 1. An instrument used for producing artificial currents of air, by the wafting or revolving motion of a broad… …
10Fan window — Fan Fan (f[a^]n), n. [AS. fann, fr. L. vannus fan, van for winnowing grain; cf. F. van. Cf. {Van} a winnowing machine, {Winnow}.] 1. An instrument used for producing artificial currents of air, by the wafting or revolving motion of a broad… …
