| Co-creator of the Reitwagen, the first internal-combustion motorcycle |
| Combustible mineral |
| Alternators in some internal-combustion engines |
| Internal-combustion engine, for short |
| Postcombustion bargains |
| A cause of combustion |
| Combustible snub? |
| Currently combusting |
| Mechanism firing up an internal-combustion engine |
| Undergoes combustion |
| Combustion result |
| Remains after combustion |
| Combustion residue |
| Bad combustion |
| Combustion |
| It operates the valves of an internal-combustion engine |
| Black, combustible rock |
| Crime of combustion |
| Some are combustible |
| Noncombustible gases |
| French inventor Lenoir who invented the internal combustion engine |
| Internal combustion engine system |
| Combustible |
| Combustible substance |
| Combust |
| Camp combustible |
| Internal combustion engine. |
| Combustible rock |
| Combustible mixture |
| Combustion follower |