機器
area
asphalt
background
build
building
close up
compact
compactor
concrete
construction
direction
engine
equipment
floor
gasoline
gravel
ground
hand
heavy
industrial
industry
instrument
machinery
mechanical
motor
pavement
place
plate
portable
pressure
repair
road
roadwork
sand
single
site
small
soil
stone
street
tool
transportation
urban
used
vibrating
vibration
vibratory
work
worker