Matched context for shift back and switch over

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

Share - shift back	Share - switch over	Phrase
26.96%	16.47%	{shift back or switch over} valve [perform operation]
40.91%	9.75%	position [connection] {shift back or switch over}
32.12%	8.12%	position [location] {shift back or switch over}