| 510 / | HD | CLEANING COMPOSITIONS FOR SOLID SURFACES, AUXILIARY COMPOSITIONS THEREFOR, OR PROCESSES OF PREPARING THE COMPOSITIONS | 
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| 108 | DF | CLEANING COMPOSITIONS OR PROCESSES OF PREPARING (E.G., SODIUM BISULFATE COMPONENT, ETC.) {21} | 
| 109 | DF | .~ For cleaning a specific substrate or removing a specific contaminant (e.g., for smoker's pipe, etc.) {50} | 
| 185 |  | .~.~ For interior of engine or parts thereof (e.g., crankcase, etc.) {2} | 
| 186 | DF | .~.~.~> Inorganic component (other than water) | 
| 187 | DF | .~.~.~> Phenol, cyclic carbonate, or soap component |