Matched context for block off and permit

The page lists matched contexts for block off and permit.

Share - block off	Share - permit	Phrase
3.72%	4.00%	{block off or permit} flow [perform operation]
4.06%	1.59%	valve [does] {block off or permit}
3.40%	1.52%	{block off or permit} communication [perform operation]
8.34%	0.24%	{block off or permit} connection [perform operation]
2.60%	0.57%	{block off or permit} passage [perform operation]
2.68%	0.48%	{block off or permit} pressure [perform operation]
1.15%	0.95%	means [does] {block off or permit}
2.19%	0.77%	position [does] {block off or permit}
4.30%	0.17%	{block off or permit} chamber [perform operation]
1.87%	0.39%	member [does] {block off or permit}