Matched context for lack and concentration

The page lists matched contexts for lack and concentration.

Share - lack	Share - concentration	Phrase
5.91%	13.71%	oxygen {lack or concentration}
2.27%	3.60%	detect {lack or concentration} [perform operation]
1.03%	1.06%	fuel {lack or concentration}
2.38%	0.74%	sense {lack or concentration} [perform operation]
1.05%	0.28%	{lack or concentration} [does] become
1.23%	0.17%	air {lack or concentration}
1.37%	0.26%	indicate {lack or concentration} [perform operation]
0.97%	0.20%	oil {lack or concentration}