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Miscellaneous Box Truss

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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Ground Support - In Staging, Ground Support applies to any electrical or mechanical device to aid a rigging crew in lifting and placing staging gear, lighting or audio gear into place.. Used . . Used . ...

Zone System - A unique method introduced by photographers Ansel Adams and Fred Archer around 1940 for determining the best exposure and correct development for an individual photograph by way of analysiing the subj. Used . ects luminosities in terms of ten gray tones or “zones” labled 0 to IX or zero to nine and visualizing them as print densities. The zone system gives photographers a systematic method for ac. Used . curately identifing the relationship between the way they see the photographic subject and the results they achieve in their finished works....

Followspot - Followspot is a generic term used to describe any number of lighting instruments used to highlight performers on stage. A followspot operator moves the followspot to follow the performer or to accent. Used . some action or prop etc. Somtimes called limes, dating back to the days of limelight.

Followspots are generally much brighter than conventional lighting instruments, and often u. Used . se a lamp with a considerably higher color temperature.

Alternating Current - An alternating current (AC) is an electrical current where the magnitude and direction of the current varies cyclically, as opposed to direct current, where the direction of the current stays constan. Used . t. The usual waveform of an AC power circuit is a sine wave, as this results in the most efficient transmission of energy. However in certain applications different waveforms are used, such a. Used . s triangular or square waves.

Used generically, AC refers to the form in which electricity is delivered to businesses and residences. However, audio and radio signals carried on electrical wire ar

Box Truss

Box truss are used in the construction of concert and theatre stages, designed to make the stage extremely strong and able to bear heavy loads that enable the stage to support various types of props and equipment that will be used during the performance. Also called a stage truss, the box truss has many other uses in addition to concert stages. These include electric power pylons, bridges, radio antennas and even in the fuselage of aircraft. The reason they are so popular is due to their design. Basically, a box truss is constructed of three chords (or more), which are supported by diagonal structural elements in order to increase their strength. The box truss is able to support far greater loads than what a concert stage without trusses would be able to, thanks to its diagonal supports. They are also more resistant to twisting, buckling and swaying in heavy winds. There are many different kinds of box truss materials available. One of the most common is the aluminium truss, as this kind of stage truss is lightweight (and so easier to put together) and relatively cheap, yet still able to support very heavy loads. Different load-bearing capabilities are often used to define a box truss. The 12x12 truss is the standard for a medium-duty truss, although larger sizes are available for a heavy duty truss. It’s also possible to find smaller, light-duty truss sizes.