Matched context for perforate and recess

The page lists matched contexts for perforate and recess.

Share - perforate	Share - recess	Phrase
10.21%	2.63%	wall [location] {perforate or recess}
6.54%	3.19%	{perforate or recess} portion [perform operation]
13.50%	1.47%	{perforate or recess} wall [perform operation]
7.65%	0.87%	{perforate or recess} piston [perform operation]
2.81%	1.29%	{perforate or recess} modal may