9 Material testing and measuring instruments and machines, namely, electronic, electric and optical apparatus for measuring weight, humidity, density, diameter, position and ventilation for use in the production of smokeable tobacco articles and for use in the processing and handling of tobacco; electronic sensors, electric sensors and optical sensors for monitoring weight, color, temperature, humidity, density, diameter, position and ventilation for use in the production of smokeable tobacco articles and for use in the processing and handling of tobacco; infrared sensors and microwave-based sensors, for monitoring weight, color, temperature, humidity, density, diameter, position and ventilation for use in the production of smokeable tobacco articles; optical testing apparatuses, namely, optical test readers; metal detectors; lasers, not for medical purposes, electrical switching apparatus namely, electronic motor switches for switching off motors, and electric switching and control panels; photographic apparatus, namely, cameras, and cinematographic machines and apparatus, and optical inspection apparatus, all of which are used for detecting foreign particles during tobacco processing