In a movie theater, steps in the aisles are usually marked with a row of small lights for convenience and safety, when the film has started and the other lights are off. Traditionally made up of small low wattage, low voltage lamps in a track or translucent tube, these are rapidly being replaced with LED based versions.
In a movie theater , steps in the aisles are usually marked with a row of small lights for convenience and safety , when the film has started and the other lights are off . Traditionally made up of small low wattage , low voltage lamps in a track or translucent tube , these are rapidly being replaced with LED based versions .
What kind of tube are the movie theaters lights enclosed in?
What kind of tube are the movie theaters lights enclosed in ?
translucent tube
translucent tube