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Tension grid : ウィキペディア英語版 | Tension grid
A tension grid is a type of non-standard catwalk though it does not meet the structural standards of a traditional catwalk. It is composed of a tightly stretched grid of steel cables that create a taut floor that is strong enough for technicians to walk on. ==Benefits== Lighting instruments can be hung on a pipe grid just above the tension grid; there is no need for holes, as the light can shine through the grid, virtually unobstructed, to the stage. Cables and electrical wires can pass through, and special fixtures may be used to allow beams and other solid material to pass through. This style of catwalk is popular in new and remodeled theatres due to the flexibility it provides. Use of a tension grid does not require working off of edges as a traditional catwalk does, as lights are over the walking surface, not next to it. As a result, many consider tension grids safer in terms of risk of falling.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Tension grid」の詳細全文を読む
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