Matched context for shut and block off

The page lists matched contexts for shut and block off.

Share - shut	Share - block off	Phrase
12.23%	6.15%	{shut or block off} port [perform operation]
15.43%	4.06%	valve [does] {shut or block off}
15.45%	2.60%	{shut or block off} passage [perform operation]
4.83%	3.40%	{shut or block off} communication [perform operation]
3.26%	4.30%	{shut or block off} chamber [perform operation]
1.31%	2.24%	{shut or block off} modal can
1.42%	1.15%	means [does] {shut or block off}