Matched context for ventilation and outflow

The page lists matched contexts for ventilation and outflow.

Share - ventilation	Share - outflow	Phrase
7.77%	6.98%	{ventilation or outflow} opening
5.11%	6.32%	{ventilation or outflow} passage
9.40%	3.19%	{ventilation or outflow} line
8.27%	2.25%	{ventilation or outflow} valve
2.83%	4.53%	{ventilation or outflow} conduit
1.91%	3.42%	{ventilation or outflow} pipe
2.73%	1.80%	{ventilation or outflow} groove
0.89%	3.47%	{ventilation or outflow} bore
1.80%	1.97%	{ventilation or outflow} throttle
2.05%	1.14%	{ventilation or outflow} chamber
1.45%	0.22%	{ventilation or outflow} means
1.23%	0.74%	air {ventilation or outflow}
0.88%	0.44%	pump {ventilation or outflow}