etching [Noun] + acid [Noun]

Strength Strength Dispersion
A:
3
CHISQ:
20.27
AWT:
54,354,882
TTEST:
1.53
G2:
12.23
FAWT:
1
MI:
3.11
LOGLOG:
4.93
JD:
-0.01
MI3:
6.28
DICE:
0.1
RANGE: