Matched context for admission and expulsion

The page lists matched contexts for admission and expulsion.

Share - admission	Share - expulsion	Phrase
6.38%	16.16%	fuel {admission or expulsion}
6.54%	10.38%	fluid {admission or expulsion}
12.06%	3.43%	air {admission or expulsion}
2.20%	9.03%	gas {admission or expulsion}
1.32%	13.56%	prevent {admission or expulsion} [perform operation]
0.76%	7.09%	permit {admission or expulsion} [perform operation]