Matched context for egress and backflow

The page lists matched contexts for egress and backflow.

Share - egress	Share - backflow	Phrase
6.43%	22.00%	prevent {egress or backflow} [perform operation]
4.48%	6.36%	fuel {egress or backflow}
5.37%	3.20%	fluid {egress or backflow}
4.00%	4.28%	gas {egress or backflow}
10.15%	0.93%	allow {egress or backflow} [perform operation]
6.52%	1.08%	air {egress or backflow}