Matched context for over-center and return

The page lists matched contexts for over-center and return.

Share - over-center	Share - return	Phrase
20.53%	17.83%	{over-center or return} spring
7.66%	6.00%	{over-center or return} pump
18.56%	0.11%	{over-center or return} bias
6.98%	0.17%	{over-center or return} position