Ultrasound works like this:
Ultrasound is created by generators which produce high frequency electricity. This high frequency electricity is then converted to mechanical energy or sound waves through a transducer, which literally makes these waves vibrate.
As these vibrating sound waves travel through water, microscopic bubbles form and repeatedly implode upon a given surface. This powerful action removes visible and even microscopic dirt particles making a dirty mini-blind or any other object cleaner than alternative methods. Not only is this ultrasonic cleaning method completely user-friendly and extremely effective, but it is fast, safe, and gentle.
Venetian Blinds