機器
asphalt
atmosphere
bituminous
black and white photography
boot
check
city
construction
foot
goes
holes
hot
industrial
industry
job
layer
leg
male
man
men at work
motion
new
patch up
person
repair
road
road repair
roadway
smoke
steam
step
street
surface
tarmac
technology
urban
vehicle
walk
way
work
worker
working
working man