unpaid [Adjective] + labour [Noun]

Strength Strength Dispersion
A:
23
CHISQ:
652.69
AWT:
7,261,897
TTEST:
4.64
G2:
120.11
FAWT:
7.49
MI:
4.92
LOGLOG:
22.26
JD:
0.75
MI3:
13.97
DICE:
0.32
RANGE: