19. Precautions against fire.- (1) No person shall smoke in any premises where film is stored or handled. Conspicuous 'No Smoking' signs shall be posted or hung up at prominent places outside the rooms where film is stored or handled. (2) No person shall carry matches, fuses, or other appliances for producing ignition or explosion in any premises where film is stored or handled. (3) No fire, furnace or other source of heat or light other than approved electric light, shall be allowed in any premises where film is stored or handled. (4) Efficient means of extinguishing fires shall always be maintained in proper working order outside the premises where film is stored or handled. | 