Matched context for opening/closing and close off

The page lists matched contexts for opening/closing and close off.

Share - opening/closing	Share - close off	Phrase
14.29%	2.26%	{opening/closing or close off} passage [perform operation]
7.06%	3.56%	{opening/closing or close off} opening [perform operation]
6.24%	3.18%	valve [does] {opening/closing or close off}
16.24%	0.92%	{opening/closing or close off} path [perform operation]
14.82%	0.74%	{opening/closing or close off} valve [perform operation]
7.23%	0.60%	element [does] {opening/closing or close off}