| 324110 |
Liquefied petroleum gas (LPG) made in refineries |
| 324110 |
Lubricating oils and greases made in petroleum refineries |
| 324110 |
Naphtha made in petroleum refineries |
| 324110 |
Naphthenic acids made in petroleum refineries |
| 324110 |
Oil (i.e., petroleum) refineries |
| 324110 |
Oil additives made in petroleum refineries |
| 324110 |
Oils, fuel, manufacturing |
| 324110 |
Paraffin waxes made in petroleum refineries |
| 324110 |
Petrochemical feedstocks made in petroleum refineries |
| 324110 |
Petrochemicals made in petroleum refineries |