機器
arm
backhoe
bucket
build
bulldozer
canal
clay
compactor
concrete
construction
crane
digger
dirt
dredge
driver
dump
earth
engineering
equipment
heavy
hydraulic
industrial
industry
mechanical
muck
mud
road
roadworks
rock
scoop
scrape
shovel
site
soil
stone
tipper
track
tracked
tractor
transport
trench
truck
trucker
vehicle
watercourse
waterway
work