Matched context for duct and header

The page lists matched contexts for duct and header.

Share - duct	Share - header	Phrase
3.01%	5.03%	exhaust [physical/chemical] {duct or header}
2.90%	3.56%	inlet {duct or header}
3.72%	1.71%	air {duct or header}
1.56%	3.26%	outlet {duct or header}
0.78%	5.00%	exhaust [physical/chemical] {duct or header}
1.75%	1.32%	supply {duct or header}
0.70%	2.66%	{duct or header} [connection] connect
0.76%	1.46%	connect {duct or header} [perform operation]
0.39%	0.39%	{duct or header} end
0.25%	2.04%	{duct or header} opening
0.21%	0.46%	{duct or header} portion
0.18%	0.58%	{duct or header} [location] locate
0.77%	0.62%	{duct or header} [does] connect
0.77%	0.48%	{duct or header} [does] extend
0.63%	0.36%	{duct or header} [does] have
0.21%	1.01%	{duct or header} [does] interconnect
0.51%	0.86%	cooling [temperature] {duct or header}
0.43%	1.16%	discharge {duct or header}
0.26%	0.66%	engine {duct or header}
0.49%	0.46%	form {duct or header} [perform operation]
0.88%	0.81%	fuel {duct or header}
0.73%	0.73%	gas {duct or header}
0.36%	0.38%	have {duct or header} [perform operation]
0.33%	0.34%	include {duct or header} [perform operation]
0.18%	1.00%	interconnect {duct or header} [perform operation]
0.58%	0.71%	main [importance] {duct or header}
0.19%	1.09%	manifold [amount] {duct or header}
0.21%	0.41%	oil {duct or header}