<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.mashine za ultrasonic hutumia maji na mawimbi ya ultrasonic kupenya kwenye pete, kuhakikisha kila mwanya na maeneo magumu kufikia ni kusafishwa vizuri.  <response>: ultrasonic machines use water and ultrasonic waves to penetrate the ring, making sure every crevice and hard-to-reach areas are properly cleaned. 