A. No owner, manager or person in charge of any theater, moving picture show or other place of public entertainment within the city of Aberdeen, where a moving picture machine is used shall permit or allow the booth in which such moving picture machine is used to be opened at any time excepting in cases of emergency, during the operation of such moving picture machine or at any time during any public performance in which it is being used.

B. The operator of any moving picture machine in any theater, moving picture show or other place of public entertainment, within the city of Aberdeen, where a moving picture machine is used, shall keep the booth closed in which such moving picture machine is operated, excepting in cases of emergency, during the operation of said moving picture machine and at all times during any public performance in which it is being used.