Matched context for block off and seal off

The page lists matched contexts for block off and seal off.

Share - block off	Share - seal off	Phrase
4.30%	10.07%	{block off or seal off} chamber [perform operation]
6.15%	2.30%	{block off or seal off} port [perform operation]
3.40%	2.10%	{block off or seal off} communication [perform operation]
3.72%	2.09%	{block off or seal off} flow [perform operation]
1.80%	2.13%	{block off or seal off} end [perform operation]
2.12%	1.79%	{block off or seal off} opening [perform operation]
1.59%	2.15%	respect [reference] {block off or seal off}
2.60%	0.91%	{block off or seal off} passage [perform operation]
2.19%	1.11%	position [does] {block off or seal off}
4.06%	0.65%	valve [does] {block off or seal off}
3.29%	0.59%	{block off or seal off} cylinder [perform operation]
1.87%	0.73%	member [does] {block off or seal off}
1.15%	0.45%	means [does] {block off or seal off}