Alarms for the detection of inflammable gases; Contact lens cases incorporating ultrasonic cleaning functions; Electrical controls for irrigation sprinkler systems; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; Electronic sliding callipers; Electronic ultrasonic test equipment, namely, ultrasonic flaw detectors, thickness testers and hardness testers, for non-medical use; Endoscopic equipment for industri...