機器
back
backhoe
bucket
build
bulldozer
construct
construction
contractor
diesel
dig
digger
digging
dirt
dozer
duty
earth
earthmover
equipment
excavate
excavating
excavation
excavator
grader
ground
heavy
hoe
hydraulic
industrial
industry
iron
isolated
lift
loader
machinery
moving
pave
pavement
power
scoop
scraper
shovel
soil
track
trackhoe
tracks
tractor
vehicle
work
yellow