Matched context for block off and obstruct

The page lists matched contexts for block off and obstruct.

Share - block off	Share - obstruct	Phrase
3.72%	12.58%	{block off or obstruct} flow [perform operation]
3.40%	11.15%	{block off or obstruct} communication [perform operation]
4.06%	4.02%	valve [does] {block off or obstruct}
6.15%	1.87%	{block off or obstruct} port [perform operation]
2.12%	3.55%	{block off or obstruct} opening [perform operation]
2.60%	2.70%	{block off or obstruct} passage [perform operation]
2.19%	2.34%	position [does] {block off or obstruct}
1.87%	1.25%	member [does] {block off or obstruct}
1.80%	0.96%	{block off or obstruct} end [perform operation]
1.15%	0.98%	means [does] {block off or obstruct}
2.24%	0.43%	{block off or obstruct} modal can