View source for AUDIO-VISUAL AID

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== Definitions ==

any piece of [[EQUIPMENT|equipment]] that records, reproduces, intensifies or carries both [[SOUND|sound]] and visual images [[OVER|over]] a distance, which is used for [[EDUCATION|education]], work, [[RESEARCH|research]], etc. These can be used to instruct on how to do a [[JOB|job]], inform one of [[COMPANY|company]] procedures or many other things. Television, [[MOTION|motion]] pictures or slide films are examples.