| Method | Efficiency | Ground Damage | Re-treatment | Dust | Exhaust Gas | Eco-friendly | Influence on Aircraft | Risk | Conclusion |
|---|---|---|---|---|---|---|---|---|---|
| Chemical solvents | Low | Possible | Need | None | None | Unfriendly | Corrosion | Medium | No |
| Hot compressed air | Low | Exist | Need | Yes | Yes | Unfriendly | None | High | No |
| Hydroblaster | High | Exist | Need | Yes | None | Unfriendly | Hard to vacuum | Low | No |
| High pressure water blast | High | None | Needless | None | None | Friendly | None | Low | Best |
