Matched context for overhead and upper

The page lists matched contexts for overhead and upper.

Share - overhead	Share - upper	Phrase
2.14%	2.32%	{overhead or upper} [location] chamber
1.41%	1.95%	{overhead or upper} [location] shaft
0.94%	0.45%	{overhead or upper} [location] assembly
0.57%	0.41%	{overhead or upper} [location] cylinder
1.67%	0.10%	{overhead or upper} [location] guard
0.79%	0.22%	{overhead or upper} [location] support
5.82%	0.08%	{overhead or upper} [location] valve