Matched context for presence and shortage

The page lists matched contexts for presence and shortage.

Share - presence	Share - shortage	Phrase
3.48%	7.56%	detect {presence or shortage} [perform operation]
0.32%	16.30%	fuel {presence or shortage}
0.28%	18.47%	oil {presence or shortage}
0.47%	4.84%	air {presence or shortage}
0.21%	9.74%	energy {presence or shortage}
0.22%	7.80%	fluid {presence or shortage}