Matched context for preignition and shortage

The page lists matched contexts for preignition and shortage.

Share - preignition	Share - shortage	Phrase
27.19%	6.22%	{preignition or shortage} [does] occur
11.86%	5.94%	cause {preignition or shortage} [perform operation]
5.27%	7.56%	detect {preignition or shortage} [perform operation]
7.63%	4.77%	prevent {preignition or shortage} [perform operation]