Rheostats; Acceleration sensors; Batteries, electric; Crystalline silicon solar cells; Electric sensors; Electrical connectors; Electronic chips for the manufacture of integrated circuits; Electronic controllers for servo motors; Electronic sensors for measuring solar radiation; Galena crystal detectors for use in electronics; Liquid level sensors; Microchips; Optical sensors; Parking sensors for vehicles; Piezoelectric sensors; Power connectors; Power controllers; Pressure sensors; Resistances, electric; Silicon carbide diodes