valve [Noun] + prevent [Verb]

Strength Strength Dispersion
A:
7
CHISQ:
37.43
AWT:
12,491,408
TTEST:
2.28
G2:
19.69
FAWT:
4.35
MI:
2.85
LOGLOG:
8
JD:
0.63
MI3:
8.46
DICE:
0.12
RANGE: