Matched context for shift back and switch back

The page lists matched contexts for shift back and switch back.

Share - shift back	Share - switch back	Phrase
40.91%	20.11%	position [connection] {shift back or switch back}
26.96%	28.58%	{shift back or switch back} valve [perform operation]
32.12%	15.69%	position [location] {shift back or switch back}