Matched context for bring back and retract

The page lists matched contexts for bring back and retract.

Share - bring back	Share - retract	Phrase
55.33%	1.74%	position [connection] {bring back or retract}
13.02%	6.93%	{bring back or retract} piston [perform operation]
19.91%	0.73%	position [location] {bring back or retract}