| OPERATIONS BEFORE CARDING; MACHINES THEREFOR | |
| Opening fibre bales; separating and sorting of fibres; opening or cleaning fibres | 7/00; 5/00; 9/00 |
| Severing of continuous filaments; roughening of fibres | 1/00; 3/00 |
| Recovery of fibres by breaking-up fibre-containing articles | 11/00 |
| Mixing of fibres, or of fibres with non-fibrous materials | 13/00 |
| CARDING OR SUBSEQUENT OPERATIONS; MACHINES THEREFOR | |
| Feeding or conveying fibres for machines; lap-forming; lap-winding; lubricating fibres | 23/00; 25/00; 27/00; 29/00 |
| Carding and burr-crushing, combing | 15/00, 19/00 |
| SILK-DRESSING; TREATMENT OF OAKUM | 17/00; 35/00 |
| MISCELLANEOUS | |
| Combination of machines or processes for continuous processing | 21/00 |
| Warning or safety devices | 31/00 |
| Hand tools for treatment of fibres | 33/00 |
| OTHER PRELIMINARY TREATMENTS | 37/00 |