Matched context for flap and switchover

The page lists matched contexts for flap and switchover.

Share - flap	Share - switchover	Phrase
5.46%	44.57%	{flap or switchover} valve
8.82%	8.39%	throttle {flap or switchover}
5.08%	5.36%	valve {flap or switchover}
0.24%	1.46%	control {flap or switchover} [perform operation]
0.31%	1.58%	make {flap or switchover} [perform operation]