Matched context for ingestion and back-flow

The page lists matched contexts for ingestion and back-flow.

Share - ingestion	Share - back-flow	Phrase
19.34%	27.51%	prevent {ingestion or back-flow} [perform operation]
18.22%	6.55%	fuel {ingestion or back-flow}
19.61%	4.08%	air {ingestion or back-flow}