| SECTION B : MINING AND QUARRYING | 
| Division 05 : Mining of coal and lignite | 
| Group | Class | Sub-class | Description | 
| 051 |  |  | Mining of hard coal | 
|  | 0510 |  | Mining of hard coal | 
|  |  |  | This class excludes: | 
|  |  |  | - lignite mining, see 0520 | 
|  |  |  | - peat digging and agglomeration of peat, see 0892 | 
|  |  |  | - test drilling for coal mining, see 0990 | 
|  |  |  | - support activities for hard coal mining, see 0990 | 
|  |  |  | - coke ovens producing solid fuels, see 1910 | 
|  |  |  | - manufacture of hard coal briquettes, see 1920 | 
|  |  |  | - work performed to develop or prepare properties for coal mining, see 4312 | 
|  |  | 05101 | Opencast mining of hard coal | 
|  |  | 05102 | Belowground mining of hard coal | 
|  |  | 05103 | Cleaning, sizing, grading, pulverizing, compressing etc. of coal | 
|  |  | 05109 | Other operations relating to mining and agglomeration of hard coal | 
| 052 |  |  | Mining of lignite | 
|  | 0520 |  | Mining of lignite | 
|  |  |  | This class excludes: | 
|  |  |  | - hard coal mining, see 0510 | 
|  |  |  | - peat digging, see 0892 | 
|  |  |  | - test drilling for coal mining, see 0990 | 
|  |  |  | - support activities for lignite mining, see 0990 | 
|  |  |  | - manufacture of lignite fuel briquettes, see 1920 | 
|  |  |  | - work performed to develop or prepare properties for coal mining, see 4312 | 
|  |  | 05201 | Opencast mining of lignite (brown coal) | 
|  |  | 05202 | Belowground mining of lignite (brown coal) | 
|  |  | 05203 | Washing, dehydrating, pulverizing, compressing of lignite | 
|  |  | 05209 | Other operations relating to mining and agglomeration of lignite | 
|  |  |  |  |