 |
11
|
|  |
 |  | 110 |
|  |
 | 12 |
Crude Petroleum and Natural Gas
|  |
 |  | 120 |
Crude petroleum and natural gas
|  |
 | 13 |
|  |
 |  | 130 |
Uranium and thorium ores and concentrates
|  |
 | 14 |
|  |
 |  | 141 |
Iron ores and concentrates, other than roasted iron pyrites
|  |
 |  | 142 |
Non-ferrous metal ores and concentrates (other than uranium or thorium ores and concentrates)
|  |
 | 15 |
|  |
 |  | 151 |
Monumental or building stone
|  |
 |  | 152 |
Gypsum; anhydrite; limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement
|  |
 |  | 153 |
Sands, pebbles, gravel, broken or crushed stone, natural bitumen and asphalt
|  |
 |  | 154 |
|  |
 | 16 |
|  |
 |  | 161 |
Chemical and fertiliser minerals
|  |
 |  | 162 |
Salt and pure sodium chloride; sea water
|  |
 |  | 163 |
Precious and semi-precious stones; pumice stone; emery; natural abrasives; other minerals
|  |
 | 17 |
Electricity, Town Gas, Steam and Hot Water
|  |
 |  | 171 |
|  |
 |  | 172 |
Coal gas, water gas, producer gas and similar gases, other than petroleum gases and other gaseous hydrocarbons
|  |
 |  | 173 |
|  |
 | 18 |
|  |
 |  | 180 |
|  |
 |  |  |  |  |