機器
adjustable
beg
body
caucasian
collar
color
concept
despair
dirt
dirty
employee
engine
finger
fingers
fuel oil
gardening
grease
grime
hand
hygiene
industrial
industry
job
laboratory
laborer
mechanic
messy
metal
muddy
oil
paint
palm
poor
poverty
repair
repairman
rough
screw
service
stained
technician
tool
tough
unclean
unkempt
untidy person
work
worker
wrench