Electrical ultrasonic cleaning units for dentures, mouth guards, clear aligners and jewelry; Machinery for applying coatings ultrasonically to medical and industrial apparatus; Machinery for applying ultrasonic coatings to medical apparatus; Industrial fluid cleaning machinery; Electric vacuum food sealers for household purposes; Electric bag sealers; Car washing and vacuuming equipment, namely, machines for washing the exterior surface of an automobile vehicle and vacuuming the interior of ...