Semi-conductors; fire, smoke, gas, burglar alarms; lightning arresters; surveying instruments; square rulers for measuring; distance and radioactivity measuring apparatus; pressure measuring apparatus; ultrasonic thickness gauge; measuring rulers; electric sensors; optical sensors; pressure sensors; temperature sensors; electric navigational instruments; electric measuring devices, namely, clamp meters for measuring electricity, electric devices for measuring electric current, digital multime...

Semi-conductors; fire, smoke, gas, burglar alarms; lightning arresters; surveying instruments; square rulers for measuring; distance and radioactivity measuring apparatus; pressure measuring apparatus; ultrasonic thickness gauge; measuring rulers; sensors, namely, electric, optical, pressure, and temperature sensors; electric navigational instruments; electric measuring devices, namely, clamp meters for measuring electricity, electric devices for measuring electric current, digital multimeter...