Matched context for obturate and cover

The page lists matched contexts for obturate and cover.

Share - obturate	Share - cover	Phrase
28.14%	1.70%	{obturate or cover} port [perform operation]
20.85%	1.88%	{obturate or cover} opening [perform operation]
24.53%	0.64%	member [does] {obturate or cover}