英文關鍵字
adult
anger
background
blue
broom
building
car
caucasian
city
cleaning
cleanup
collar
coveralls
direction
elderly
farmer
garbage
hat
human
industrial
job
labor
lot
man
manpower
manual
occupation
oldtimer
parking
peasant
person
profession
senior
service
staff
steering
straw
sweep
sweeper
sweeping
uniform
uniforms
urban
vintage
work
worker
workers
workforce
workplace