| exhaust → HasA → high level of moisture | 0.34 | |
| exhaust → HasA → unburned hydrocarbons | 0.28 | |
| exhaust → HasA → two 3/8bolts | 0.25 | |
| exhaust → HasA → carbon monoxide | 0.21 | |
| exhaust → HasA → many harmful pollutants | 0.16 | |
| exhaust → HasA → other health problems | 0.16 |