unpaid [Adjective] + labour [Noun]

Strength Strength Dispersion
A:
13
CHISQ:
77.34
AWT:
12,362,276
TTEST:
3.14
G2:
35.12
FAWT:
4.4
MI:
2.96
LOGLOG:
10.97
JD:
0.7
MI3:
10.37
DICE:
0.18
RANGE: