A thin metal plate etched to produce a design which can then be projected by a profile spotlight.

A large roll-up door, usually made of metal, that is tall enough and wide enough to move large pieces of scenery through. It is typically between the scene shop and the loading dock of a theatre.

A low profile of scenery that constant by itself, used to mask the bottom of the cycle or backdrop and to give the illusion of distance.

A curtain closest to the proscenium, usually mode of the same material as the act curtain and used to lower the height of the proscenium opening.

When activated by bright light, this tape glows in the dark. It is primarily used backstage (sometimes on stage) at the edge of platforms, stairs, etc, so that actors, crew and techs can see the edge and don’t trip and fall during a black out.

This is the metal frame that holds a square of gel in place in front of the lighting instrument. There is a slot in the front of the lighting instrument where the gel frame slides into.

A light left burning overnight on stage to keep friendly spirits illuminated and unfriendly spirits at bay.

A compressed air lifting device used to reach instruments while focusing.

A sheet of plastic usually composed of a colored resin sandwiched between two clear pieces.