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The maximum weight value for a rigging point that was determined by a structural engineer.

A camera lens which has a focal length that is longer than the diagonal measure of the film or sensor that receives its image. It is used to make distant objects appear magnified with magnification increasing as longer focal length lenses are used.

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See Moving Light

A multichannel, programmable "intelligent light" with one or more optics capable of panning, tilting, zooming, changing beam color or pattern or other user-defined options, produced by manufactures such as Varilite, Martin, Robe, Elation and related companies.

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Multimeter is a multi-purpose instrument that can directly measure various parameters like potential difference, current, resistance, frequency, capacitance, etc.

Refers to an incident or accident that caused little or no damage, but had the possibility of doing substantional damage or injury.

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