Matched context for switch back and shift back

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

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