| 15 / | HD | BRUSHING, SCRUBBING, AND GENERAL CLEANING |
| 3 | DF | MACHINES {11} |
| 300.1 | DF | .~ With air blast or suction {26} |
| 363 | DF | .~.~ With mechanical agitating means {12} |
| 383 | DF | .~.~.~ Rotary agitator {6} |
| 389 | | .~.~.~.~ Drive details {3} |
| 390 | DF | .~.~.~.~.~> With clutch or other drive disconnect |
| 391 | DF | .~.~.~.~.~> Belt or drive housings or other protective features |
| 392 | DF | .~.~.~.~.~> Agitator bearings or supporting details |