Assertion: diesel | /r/CapableOf | employ pre-combustion chambers
Facets:
value: to swirl the air
type: PURPOSE
Source sentences:
text: Getting the mist circulated in the cylinder so that it is evenly distributed is also a problem, so some diesel engines employ special induction valves, pre-combustion chambers or other devices to swirl the air in the combustion chamber or otherwise improve the ignition and combustion process.