THUNDER

electrical and electronic devices, namely, piezoelectric actuators for uses not intended to produce sound audible to the human ear and for uses limited to valves, pumps, compressors, positioners, switches, vibrating elements, agitation and mixing, separation and filtration, humidifiers, misters and atomizers, sonic and ultrasonic transducers, ultrasonic cleaning, ultrasonic welding and cutting, noise cancellation, jitter suppression, panel stiffening, air flow control, electro-optical scanning, tone generators, sonar and piezoelectric motors, and electrical and electronic devices, namely, piezoelectric sensors for uses not intended to produce sound audible to the human ear