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Entertainment rigging. Rigging in the entertainment world can be broken down into two main subjects - theatrical rigging and arena Rigging. All the same skills apply in both genres. One takes place in a theater, the other in an arena or "exposed structure venue" such as a convention center, ballroom, warehouse etc. Many arena riggers find themselves hanging a full proscenium theater in an arena environment.〔Entertainment Rigging ("Great Stage Rigging Books Sharing" )〕 Circus rigging, comprising aerial acrobatic apparatuses that support human beings under dynamic loading conditions, and stabilization rigging for large scale fabric tension structures (big tops), is, perhaps, under appreciated in the general rigging field, and may be considered by some to be a separate field. However, the principles of physics and the standards of engineering that apply to theatrical and arena rigging still hold true in circus rigging, and much of the same equipment and many of the same devices are commonly used. All the same skills apply in this genre as well. Chain motors and trusses are not used as often in tented circuses as in arena or theater rigging, however arena circuses make regular use of them. In both tented and arena circuses, crane-bars or frames stabilized by guy cables, hung from fiber rope block and tackle systems are common, as are systems supporting and tensioning safety nets. High (or low) wire rigging, while simple in principle and application, requires substantial load-path capacity, as wire walkers generally require high tension in their systems. Automation rigging is used by many circuses, to fly both human beings and scenic or prop elements. In theatrical rigging the venue may have anything from a dead pull scenery flying system, a hemp rigging system, a counterweight rigging system, a winch or hoist driven automated rigging system, or any hybrid of the aforementioned, used to fly props, people and scenery. ==Stations== Both of these rigging disciplines have four basic stations. 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「Entertainment rigging」の詳細全文を読む スポンサード リンク
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