They include tanks, agitators, ultrasonic transducers ... and/or collection of oil, debris, metal chips, abrasive media, scale, dust, fine swarf, or other waste removed during the cleaning process.
While ultrasonic cleaning might sound a bit like the “sonic shower” from Star Trek, this is actually one case where the futuristic-sounding technology predates its use in Sci-Fi. Ultrasonic ...
Brasso Multi-Purpose Metal Polish is an affordable jewelry ... try it on tarnished copper mugs and other timeworn pieces.
But assuming all the nooks and crannies of a board can be dried out before power is applied, the cleaning solution itself should be of little concern. The main beef with ultrasonic cleaning seems ...