stair [Noun] + concrete [Adjective]

Strength Strength Dispersion
A:
5
CHISQ:
33.81
AWT:
43,253,981
TTEST:
1.98
G2:
17.23
FAWT:
1.26
MI:
3.11
LOGLOG:
7.22
JD:
0.4
MI3:
7.76
DICE:
0.19
RANGE: