Matched context for lean and rich

The page lists matched contexts for lean and rich.

Share - lean	Share - rich	Phrase
0.11%	30.05%	air-fuel {lean or rich}
0.16%	23.56%	ratio {lean or rich}
0.06%	17.33%	make {lean or rich} [perform operation]
0.04%	11.80%	fuel {lean or rich}
0.05%	17.25%	mixture {lean or rich}