Matched context for reestablish and obstruct

The page lists matched contexts for reestablish and obstruct.

Share - reestablish	Share - obstruct	Phrase
15.91%	11.15%	{reestablish or obstruct} communication [perform operation]
2.80%	12.58%	{reestablish or obstruct} flow [perform operation]
2.79%	4.02%	valve [does] {reestablish or obstruct}