Matched context for elbow and recirculation

The page lists matched contexts for elbow and recirculation.

Share - elbow	Share - recirculation	Phrase
16.60%	12.53%	exhaust [physical/chemical] {elbow or recirculation}
20.40%	0.48%	exhaust [physical/chemical] {elbow or recirculation}
4.35%	0.26%	{elbow or recirculation} pipe
2.13%	0.07%	{elbow or recirculation} [does] have
1.67%	0.07%	have {elbow or recirculation} [perform operation]
0.71%	0.11%	include {elbow or recirculation} [perform operation]