undergravel [Noun] + heating [Noun]

Strength Strength Dispersion
A:
3
CHISQ:
111.75
AWT:
42,697,924
TTEST:
1.69
G2:
23.8
FAWT:
1.27
MI:
5.29
LOGLOG:
8.39
JD:
0.25
MI3:
8.46
DICE:
0.29
RANGE: