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  2. Projection screen - Wikipedia

    en.wikipedia.org/wiki/Projection_screen

    Projection screens may be permanently installed on a wall, as in a movie theater, mounted to or placed in a ceiling using a rollable projection surface that retracts into a casing (these can be motorized or manually operated), painted on a wall, [1] or portable with tripod or floor rising models as in a conference room or other non-dedicated ...

  3. Fly system - Wikipedia

    en.wikipedia.org/wiki/Fly_system

    Fly loft of the Theater Bielefeld in Germany. A fly system, or theatrical rigging system, is a system of ropes, pulleys, counterweights and related devices within a theater that enables a stage crew to fly (hoist) quickly, quietly and safely components such as curtains, lights, scenery, stage effects and, sometimes, people.

  4. C-clamp (stagecraft) - Wikipedia

    en.wikipedia.org/wiki/C-Clamp_(stagecraft)

    Spigot: a machined metal shaft that sits in the clamp and rotates freely through 360°. Used for attaching Stage lighting instrument or other fixture to the c-clamp. Pan Bolt : A small bolt through the side of the clamp, typically 1/4" or 3/8" which tightens down onto the spigot, preventing it from rotating (panning).

  5. Home wiring - Wikipedia

    en.wikipedia.org/wiki/Home_wiring

    For electric power supply, a cable is run either overhead or underground into a distribution board in the home. A distribution board, or circuit breaker panel, is typically a metal box mounted on a wall of the home. In many new homes, the electrical switchboard is located on the outside of the external wall of the garage.

  6. Bracket (architecture) - Wikipedia

    en.wikipedia.org/wiki/Bracket_(architecture)

    In adjustable shelving systems, the bracket may be in two parts, with the load-bearing horizontal support fitting into a wall-mounted slotted vertical metal strip. Brackets also are an element in the systems used to mount modern facade cladding systems onto the outside of contemporary buildings, as well as interior panels.

  7. Theatrical scenery - Wikipedia

    en.wikipedia.org/wiki/Theatrical_scenery

    The history of theatrical scenery is as old as the theatre itself, and just as obtuse and tradition bound. What we tend to think of as 'traditional scenery', i.e. two-dimensional canvas-covered 'flats' painted to resemble a three-dimensional surface or vista, is a relatively recent innovation and a significant departure from the more ancient forms of theatrical expression, which tended to rely ...

  8. Parts of a theatre - Wikipedia

    en.wikipedia.org/wiki/Parts_of_a_theatre

    The theatre may also include its own lighting, scenic, costume and sound shops. In these shops each element of the show is constructed and prepared for each production. Call board: Literally a backstage bulletin board which contains information about a theatrical production including contact sheets, schedules, rehearsal time changes, etc.

  9. Safety curtain - Wikipedia

    en.wikipedia.org/wiki/Safety_curtain

    Safety curtain of St Martin's Theatre in London. The lever and weights used to operate a fire curtain as seen from a theatre's backstage. A safety curtain (or fire curtain in America) is a passive fire protection feature used in large proscenium theatres. It is usually a heavy fabric curtain located immediately behind the proscenium arch.