Labor - Contracted workers who perform services. Also called Craftspersons.

Labor Call - (1) Method of securing union employees. (2) Time specified for labor to report (as in a 7 A.M. call). (3) Minimum amount for which labor must be paid.

Labor Desk - Exhibit hall location where exhibitors may place orders for labor.

Labor Form - The form used by exhibitors to order labor.

Laborer - See Craftsperson.

Lamination - The process of bonding two or more substances together.

Lead Tracking - A manual or automated system used to conduct follow-up activities for sales prospects resulting from a trade show.

Less Than Truckload (LTL) - The rate charged for freight weighing less than the minimum weight for a truckload.

Letter of Credit (L/C) - A document issued by a bank at the request of a buyer of goods which authorizes the payment of a specified amount of money to the seller when certain terms are met.

Liability - A legal term referring to responsibility for damages or injuries.

Light Box - An enclosure which contains lighting underneath a translucent facing material. Used to back-light signs or graphics applied to the face.

Lighting - The amount or type of illumination in an exhibit or exhibition hall.

Linear Display - An exhibit that is constructed in a continuous line along an aisle. Also called In-line.

Loading Dock - An area within an exposition facility where freight is received and shipped.

Lock-Up - A secure storage area within an exposition facility.

Logo - A specific symbol chosen to represent a company. Usually comprised of stylized type alone or in conjunction with graphic art.

Low Voltage - A term applied to electrical currents of 24 volts or less. Usually used in animation and specialty lighting.