Matched context for close off and obscure

The page lists matched contexts for close off and obscure.

Share - close off	Share - obscure	Phrase
6.01%	11.79%	{close off or obscure} port [perform operation]
2.43%	26.07%	{close off or obscure} line [perform operation]
3.18%	11.18%	valve [does] {close off or obscure}
2.26%	11.08%	{close off or obscure} passage [perform operation]
0.63%	7.06%	{close off or obscure} in position
0.28%	6.42%	not {close off or obscure}