Matched context for open up and close

The page lists matched contexts for open up and close.

Share - open up	Share - close	Phrase
17.80%	8.69%	{open up or close} valve [perform operation]
11.61%	2.71%	valve [does] {open up or close}
9.84%	2.67%	{open up or close} passage [perform operation]
6.34%	0.73%	{open up or close} bore [perform operation]
6.29%	0.33%	{open up or close} conduit [perform operation]
5.43%	0.44%	{open up or close} path [perform operation]
5.45%	0.11%	{open up or close} space [perform operation]