Using Infrared To See If You 're Lit Ultrasonic cleaning MISC@1 cleaners , sometimes mistakenly called supersonic cleaners , are used at frequencies from NUMBER@1 kHz for jewellery , lenses and other optical parts , watches , dental instruments , surgical instruments , diving regulators and industrial parts .

Ultrasonic cleaning MISC@1 cleaners are sometimes mistakenly called supersonic cleaners . They are used at frequencies from NUMBER@1 kHz for jewellery , lenses and other optical parts , watches , dental instruments , surgical instruments and industrial parts .
