| Class | Class Name |
|---|---|
| 4 | hookah charcoal |
| 4 | hydraulic greases |
| 4 | hydrocarbon fuels in gaseous forms |
| 4 | hydrocarbon fuels in liquid forms |
| 4 | ignition coal |
| 4 | illuminants |
| 4 | illuminating oils |
| 4 | impact-resistant chassis grease |
| 4 | industrial fuel gases |
| 4 | industrial grease |
| 4 | industrial lubricants |
| 4 | industrial oil |
| 4 | industrial oil and lubricants |
| 4 | industrial oils and greases |
| 4 | industrial oils and greases [other than edible oils and fats] |
| 4 | industrial oils and greases [other than essential oils] |
| 4 | industrial oils and lubricants |
| 4 | industrial wax |
| 4 | jet fuels |
| 4 | kerosene |
| 4 | lamp oils |
| 4 | lamp wicks |
| 4 | lanolin |
| 4 | lanolin for use in the manufacture of cosmetics |
| 4 | leather preserving oils and grease |
| 4 | light oils |
| 4 | lighter fluid |
| 4 | lighter fuels |
| 4 | lighting fuel |
| 4 | lignite |
| 4 | ligroin |
| 4 | liquefied and compressed gases, all for use as fuels and illuminants |
| 4 | liquefied natural gas |
| 4 | liquefied petroleum gas |
| 4 | liquid fuels |
| 4 | liquid, gaseous and solid fuels |
| 4 | liquid gases |
| 4 | liquid petroleum gas |
| 4 | liquid wax cartridges for industrial use |
| 4 | liquified petroleum gas |
| 4 | lock lubricants |
| 4 | low-temperature and refrigeration lubricants |
| 4 | lubricant for conveyor belts |
| 4 | lubricants |
| 4 | lubricants against rusts |
| 4 | lubricants and greases for use in motor vehicles |
| 4 | lubricants for automobile engines |
| 4 | lubricants for industrial machinery |
| 4 | lubricants for industrial oil |
| 4 | lubricants for liquid fuel |
