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Retrieved from "https://en.wikipedia.org/w/index.php?title=Wet/dry_vacuum&oldid=1151542805"
Vacuum drying is the mass transfer operation in which the moisture present in a substance, usually a wet solid, is removed by means of creating a vacuum. In chemical processing industries like food processing , pharmacology, agriculture, and textiles, drying is an essential unit operation to remove moisture. [ 1 ]
To clean a retainer use a wet toothbrush and gently scrub all surfaces of the retainer to remove any plaque and bacteria. A non-abrasive toothpaste should be used when cleaning a retainer. Alternatively, a mild soap or a brush dipped in mouthwash can also be used to clean it. When not in use keep the retainer in a dry container.
These "wet vac" units are subject to the same limitations as "wet-or-dry shop vacuums", and must be washed out and dried after use to prevent unpleasant odours and mold growth. However, toxic materials, such as asbestos should never be cleaned up with anything but specialized equipment made expressly for the purpose.
Ultrasonic cleaners are used to clean many different types of objects, including industrial parts, jewelry, scientific samples, lenses and other optical parts, watches, dental and surgical instruments, tools, coins, fountain pens, golf clubs, fishing reels, window blinds, firearm components, car fuel injectors, musical instruments, gramophone ...
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