| Group |
Class |
Sub - Class |
Description |
| 231 |
2310 |
|
Manufacture of coke oven products [This class includes the operation of coke ovens chiefly for the production of coke or semi-coke from hard coal and lignite, retort carbon and residual products such as coal tar or pitch. Agglomeration of coke. Distillation of coal tar is classified in class 2411. |
| |
|
23101 |
Manufacture of coke or semi coke products |
| |
|
23109 |
Manufacture of other coke oven products e.g. coal, coal tar and other products n.e.c. |
| 232 |
2320 |
|
Manufacture of refined petroleum products |
| |
|
23201 |
Production of liquid or gaseous fuels, illuminating oils, lubricating oils or greases or other products from crude petroleum or bituminous minerals |
| |
|
23202 |
Manufacture of paraffin wax |
| |
|
23203 |
Bottling of LPG |
| |
|
23209 |
Manufacture of other petroleum products n.e.c. (includes manufacture of petroleum jelly, micro-crystalline petroleum wax, slack wax, ozokerite, lignite wax, petroleum coke, petroleum bitumen and other residues of petroleum oils or of oils obtained from bituminous minerals. Manufacture of candles is classified in 3699) |
| 233 |
2330 |
23300 |
Processing of nuclear fuel [includes extraction of uranium metal from pitchblende or other uranium bearing ores; manufacture of alloys, dispersions or mixtures of natural uranium or its compounds; manufacture of enriched uranium and its compounds; plutonium and its compounds; uranium depleted in U 235 and its compounds; other radioactive elements, isotopes or compounds; and, non-irradiated fuel elements for use in nuclear reactors |