[ Coolant-temperature sensors; Gas sensors for measuring gas concentration; Hand-held device comprised of chemical and heat sensors for the detection of explosives; Humidity sensor with integrated digital and analog output circuitry used in automotive, appliance and light industrial applications to sense both relative humidity and temperature environmental conditions; Liquid level sensors; Oil level sensors; Optical fibers; ] Optical sensors; Pollutant sensors [; Pressure sensors; Safety sensors, namely, carbon monoxide detectors, smoke detectors, and combination carbon monoxide and smoke detectors; Sensors and detector units for use in controlling the actuation and operation of automotive safety apparatus and equipment; Sensors for determining position, velocity, acceleration and temperature; Sensors for the determination of temperatures, positions and distances; Temperature sensors; Temperature sensors used in the medical field to measure temperature of medical solutions; Temperature switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems; Ultrasonic sensors; Vibration sensors for installation in wind mill housings ]