Matched context for ceiling and boundary

The page lists matched contexts for ceiling and boundary.

Share - ceiling	Share - boundary	Phrase
29.49%	10.29%	{ceiling or boundary} layer
8.67%	2.71%	chamber {ceiling or boundary}
4.16%	4.31%	{ceiling or boundary} wall
7.56%	0.75%	{ceiling or boundary} portion
1.29%	4.52%	form {ceiling or boundary} [perform operation]
7.21%	0.59%	{ceiling or boundary} surface
2.54%	0.32%	{ceiling or boundary} [location] dispose