機器
architecture
bulldozer
construction
development
diesel
dig
digger
dirt
dirty
dozer
dump
earth
earthmover
equipment
excavator
fill
grade
grader
ground
heavy
hydraulic
industrial
industry
large
loader
machinery
metal
move
mover
outdoors
outside
plow
power
powerful
project
push
road
scraper
shovel
site
soil
track
tractor
transportation
truck
vehicle
view
work