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Scaffolding - Scaffolding is a temporary platform or framework, either supported from below or suspended, that is used to support people and material during the set up and deconstruction of a stage or venue.
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Absorption - A surfaces ability to absorb sound. Absorption is rated from 0 to 1.

Full absoption is 1. Full reflection is 0. . Used . . Used .

Fresnel Lens - A Fresnel lens is a type of lens invented by Augustin-Jean Fresnel. Originally developed for lighthouses, the design enables the construction of lenses of large size and short focal length without th. Used . e weight and volume of material which would be required in a lens of conventional design.

The Fresnel lens (often pronounced FREZ-nell but usually the original fre-NELL in theatr. Used . ical and motion picture lighting applications) reduces the amount of material required compared to a conventional spherical lens by breaking the lens into a set of concentric annular sections known as Fresnel

Frequency - The measurement of the number of times a repeated event, generally a waveform, occurs in a given time frame usually expressed in Hertz, abbreviated Hz, or cycles per second. . Used . . Used . ...

Effects - Lighting Effects are devices that are generally used to enhance other lighting or staging devices, like foggers, lasers or pyrotechnics and can also have and effect on setting the mood during a perfor. Used . mance like color changers.

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