機器
activity
backhoe
bucket
build
building
bulldozer
construction
construction site
dig
digger
dirt
dump
earth
earthmover
equipment
excavate
excavating
excavation
excavator
ground
heavy
heavy duty
hydraulic
industrial
industry
land
load
loader
loading
machinery
mover
pit
power
road
roadwork
sand
sandpit
scoop
shovel
site
soil
tractor
transport
transportation
truck
vehicle
wheel
work
yellow