Why does the film have "Interval" written on it? What does it instruct?
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In ancient times, the technology of films was not as advanced as it is today. The projector machines for showing films used to get hot, so an interval was given in the middle of the film. Sometimes even very old films had multiple intervals. Clever people have found a way to earn money from this break. As a result, shops were decorated for refreshment and gradually it took the form of a big market. Nowadays, some food items are also sold in these canteens by taking more profit. In this way Interval was invented in between films. I hope you find the answer ok!