| 15 / | HD | BRUSHING, SCRUBBING, AND GENERAL CLEANING |
| 3 | DF | MACHINES {11} |
| 300.1 | DF | .~ With air blast or suction {26} |
| 327.1 | ![]() | .~.~ Tank type cleaner organization {3} |
| 327.2 | DF | .~.~.~> Casing feature {3} |
| 327.6 | DF | .~.~.~> Vertically aligned motor and filter |
| 327.7 | DF | .~.~.~> Horizontally aligned motor and filter |