Matched context for operation and valve

The page lists matched contexts for operation and valve.

Share - operation	Share - valve	Phrase
0.77%	2.50%	control {operation or valve}
0.56%	0.24%	brake {operation or valve}
0.81%	0.30%	control {operation or valve} [perform operation]
0.10%	0.73%	fuel {operation or valve}
0.11%	1.37%	injection {operation or valve}
0.14%	0.11%	injector {operation or valve}
0.32%	0.12%	show {operation or valve} [perform operation]
0.16%	0.32%	switching [purpose] {operation or valve}