ultrasonic

Found 2 Results for ultrasonic.

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1. Ultrasonic Cleaner
Every busy small-appliance repair shop should have an ultrasonic cleaning system. It can be used to thoroughly clean motors, heating elements and even appliances small enough to fit into its tube.
http://www.fun-home-projects.com/electrical_projects/​tools/​ultrasonic_cleaner.html

2. Burglar Alarms
They emit either ultrasonic sound or radio frequency waves, establishing an energy zone. When anyone enters the zone, an alarm goes off.
http://www.fun-home-projects.com/home_ownership/​finance_and_security/​security/​burglar_alarms.html

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