| 324110 |
Still gases made in petroleum refineries |
| 324110 |
Styrene made in petroleum refineries |
| 324110 |
Tar made in petroleum refineries |
| 324110 |
Toluene made in petroleum refineries |
| 324110 |
Waxes, petroleum, made in petroleum refineries |
| 324110 |
Xylene made in petroleum refineries |
| 324121 |
Asphalt paving blocks made from purchased asphaltic materials |
| 324121 |
Asphalt paving mixtures made from purchased asphaltic materials |
| 324121 |
Asphalt road compounds made from purchased asphaltic materials |
| 324121 |
Blocks, asphalt paving, made from purchased asphaltic materials |