Matched context for prevent back and divert

The page lists matched contexts for prevent back and divert.

Share - prevent back	Share - divert	Phrase
22.16%	10.08%	{prevent back or divert} flow [perform operation]
16.84%	4.52%	valve [does] {prevent back or divert}
7.78%	6.58%	{prevent back or divert} fuel [perform operation]
4.86%	0.44%	substantially [degree] {prevent back or divert}