Matched context for prestress and move back

The page lists matched contexts for prestress and move back.

Share - prestress	Share - move back	Phrase
12.21%	7.25%	spring [does] {prestress or move back}
6.90%	8.70%	{prestress or move back} piston [perform operation]
20.03%	1.28%	spring [temporal] {prestress or move back}
2.82%	2.57%	{prestress or move back} member [perform operation]
3.03%	1.33%	{prestress or move back} valve [perform operation]