3 — Mineral fuels, lubricants and related materials
| Code | Description |
|---|---|
| 32 | Coal, coke and briquettes |
| 33 | Petroleum, petroleum products and related materials |
| 34 | Gas, natural and manufactured |
| 35 | Electric current |
| Code | Description |
|---|---|
| 32 | Coal, coke and briquettes |
| 33 | Petroleum, petroleum products and related materials |
| 34 | Gas, natural and manufactured |
| 35 | Electric current |