Matched context for port and seal off

The page lists matched contexts for port and seal off.

Share - port	Share - seal off	Phrase
1.56%	10.07%	{port or seal off} chamber [perform operation]
5.52%	1.79%	{port or seal off} opening [perform operation]
1.18%	4.70%	{port or seal off} piston [perform operation]
2.95%	0.65%	valve [does] {port or seal off}
1.03%	0.83%	manner [manner] {port or seal off}