R
Raceway
Metal or insulated rubber tubing used to channel electrical wires.
Rail
A low wall used to divide exhibits.
Rear Illumination
A technique of using a light source to illuminate a translucent image from behind. Also called Back-lighting.
Rear Projection
A video technique in which images are projected on a screen positioned between the projector and the audience.
Refurbish
The process of repairing or reconditioning an exhibit to extend its life span.
Relay
An electrical device used to produce programmed effects by interrupting the flow of current.
Release Forms
Forms provided by show management to permit the removal of materials from an exhibition.
Rental Booth
A complete booth package offered to exhibitors on a rental basis.
Return Panels
Side panels joined perpendicular to the backwall.
Rheostat
A device used to regulate lighting intensity. Also known as Dimmer Switch.
Rigger
A skilled worker responsible for handling and assembly of machinery.
Right To Work State
A state where no person can be denied the right to work because of membership or non-membership in a labor union.
Riser
A platform for people or materials.
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