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General mining

General mining related terms and definitions in minerals and related activities.

Contributors in General mining

General mining

Secondary beam

Mining; General mining

A beam supported off, and transferring loads to, main beams that are themselves carried directly by the walls or columns.

Metal bath

Mining; General mining

A bath, such as of mercury or tin, employed for chemical processes requiring high temperatures.

Wind beam

Mining; General mining

A beam incorporated into a structure for the sole purpose of resisting wind pressure.

Trussed beam

Mining; General mining

A beam of timber or other material that is stiffened so as to reduce deflection.

Camber

Mining; General mining

A beam, bar, or girder bent like a bow, with the hump towards the strata.

Rocking lever

Mining; General mining

A beam to give the reciprocal motion in hand boring.

Finger lifter

Mining; General mining

A basket-type core lifter.

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