9 Gas ionization static control units for use in reduction of ionized particles and atmospheric static electricity; air ionizing equipment, namely, ionizers for preventing accumulation of static electrical charge on photographic film; air ionizing equipment, namely, ionizers for removing particles from photographic film; ionizing blowers for neutralizing electrical charge of air in facilities for manufacturing, processing, and finishing photographic film; emitters for use on ionization units for use in reduction of electrostatic surface charges