Scientific, surveying, weighing, measuring and checking (supervision) apparatus and instruments; fume cupboards for laboratory use; automatic closers (electric) for doors; automatic door apparatus (electric); automatic door closing apparatus (electric); automatic electric door operating equipment; pressure actuated vacuum vents; sensors including movement sensors, optical sensors, infrared sensors, active infra-red sensors, passive infrared sensors, pyroelectric infrared sensors, alarm sensors, air temperature sensors, distance sensors, electro-optical sensors, electronic sensors electronic measurement sensors, electronic pressure sensors, fibre optical sensors, light sensors, magnetic sensors and photoelectric sensors; electronic control installations for sensors; sensors for use in the control of motors; sensor switches; electrical drives for controlling apparatus; electrical drives for regulating apparatus; electrically controlled variable speed drives for electric motors; electrically operated drive units for controlling shutters, doors and cupboards; sensors incorporating optical fibres; shutter sensors; vibration sensors; ultrasonic sensors, other than for medical use; sensor apparatus, other than for medical use; automatic access control apparatus; automatic control operating apparatus; supervision (control) apparatus (automatic); time switches, automatic; parts, fittings, accessories and controls for the aforementioned goods instruction manuals sold as a unit with the aforementioned

Apparatus, installations and equipment for ventilating purposes; fume extractors; apparatus for exhausting, extracting and filtering fumes (ventilation); fans for fume extractors; filters for fume extractors; fume destructing hoods; fume exhausting hoods; variable air volume apparatus; ventilation installations for laboratories; air circulation apparatus; air delivery apparatus for use in industrial processes; air filter apparatus and installations; devices for absorbing pollutants and vapours from the air; electrostatic air filters; extractors; filtering installations for air; installations for aerating air in enclosed spaces; installations for air extraction; parts, fittings, accessories and controls for the aforementioned goods