contamination [Noun] + prevent [Verb]

Strength Strength Dispersion
A:
15
CHISQ:
388.57
AWT:
7,473,835
TTEST:
3.73
G2:
77.89
FAWT:
7.27
MI:
4.8
LOGLOG:
18.75
JD:
0.69
MI3:
12.61
DICE:
0.27
RANGE: