| Section C:  MANUFACTURING | 
| Division 31 : Manufacture of furniture | 
| Group | Class | Sub-class | Description | 
| 310 |  |  | Manufacture of furniture | 
|  | 3100 |  | Manufacture of furniture | 
|  |  |  | This class includes manufacture of furniture of any kind, any material (except stone, concrete or ceramic) for any place and various purposes | 
|  |  |  | This class excludes: | 
|  |  |  | - manufacture of pillows, pouffes, cushions, quilts and eiderdowns, see 1322 | 
|  |  |  | - manufacture of inflatable rubber mattresses, see 2219 | 
|  |  |  | - manufacture of furniture of ceramics, concrete and stone, see 2393, 2395, 2396 | 
|  |  |  | - manufacture of lighting fittings or lamps, see 2740 | 
|  |  |  | - blackboards, see 2817 | 
|  |  |  | - manufacture of car seats, railway seats, aircraft seats, see 2930, 3020, 3030 | 
|  |  |  | - modular furniture attachment and installation, partition installation, laboratory equipment furniture installation, see 4330 | 
|  |  | 31001 | Manufacture of furniture made of wood | 
|  |  | 31002 | Manufacture of furniture made of cane & reed | 
|  |  | 31003 | Manufacture of furniture primarily of metal | 
|  |  | 31004 | Manufacture of furniture primarily of plastic | 
|  |  | 31005 | Manufacture of mattresses and pillows | 
|  |  | 31009 | Manufacture of other furniture n.e.c. |