Matched context for pull back and move back

The page lists matched contexts for pull back and move back.

Share - pull back	Share - move back	Phrase
20.96%	8.95%	position [location] {pull back or move back}
19.15%	8.70%	{pull back or move back} piston [perform operation]
19.29%	7.25%	spring [does] {pull back or move back}