Matched context for penetration and intermixing

The page lists matched contexts for penetration and intermixing.

Share - penetration	Share - intermixing	Phrase
3.13%	23.75%	prevent {penetration or intermixing} [perform operation]
4.11%	13.65%	fuel {penetration or intermixing}
0.56%	22.67%	air {penetration or intermixing}