Computer programs, recorded; sensors; electronic chips; semi-conductor devices; conductors, electric; air analysis apparatus; infrared detectors; testing apparatus not for medical purposes; apparatus for generating gas for calibration purposes; measuring devices, electric; carbon dioxide detectors; infrared detection devices; optical apparatus and instruments; optical filters; optical sensors; photoresistors; infrared sensors; sensors for temperature measurement; vibration sensors; ultrasonic sensors; temperature sensors; photoelectric sensors; smoke detectors; integrated circuit cards [smart cards].