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Incandescent light bulb - The incandescent light bulb (archaically known as the electric lamp) uses a glowing wire filament heated to white-hot by electrical resistance, to generate light (a process known as thermal radiation . Used . or incandescence). The bulb is the glass enclosure which keeps the filament in a vacuum or low-pressure noble gas, or a halogen gas in the case of quartz-halogen lamps (see below) in order to. Used . prevent oxidisation of the filament at high temperatures. In Australia and South Africa a light bulb is also called a light globe.

Because of its poor efficiency and yellowish color, it is being ...

Staging - Staging is the process and art of selecting, designing, or modifying the performance space for a given purpose, be it theatrical, television, film or concert production. . Used . . Used . ...

Joule - A term in the international system for a unit of electrical, mechanical, and thermal energy equal to the work done when a current of one ampere is passed through a resistance of one ohm for one second. Used . . Surge protectors are often given joule ratings, but this rating refers only to the amount of energy they can absorb, not what gets through. Its value was calculated originally by James Pr. Used . escott Joule, but the term was first introduced by Dr. Mayer of Heilbronn....

Windshield - Foam cover for microphones that reduces the interferance caused by wind and breath allowing the microphone to pick up the desired sounds.. Used . . Used . ...

Generators - Generators are used to provide power where power is otherwise not available, like in out door arenas or remote locations, or when not enough power is available at a particular location. . Used . . Used . ...