Wiktionary
jet machine
n. Any of several devices that use a jet of water or abrasive mixture to clean something
Usage examples of "jet machine".
Food's getting cold, and my voice is already blown out from calling out orders over the noise from the dishwasher, the hum of the exhaust, the whine of the Paco-Jet machine and the growing roar from the dining room.
A special plane had been put at our disposal, a jet machine rather like our first models of this type of aircraft, but very comfortable and equipped with a small soundproof compartment in which we could talk easily.