機器
action
activity
auction
big
bucket
building
car
carry
construction
dirt
dump
dumping
earth
earthwork
equipment
excavation
field
gravel
ground
heap
heavy
heavyduty
hydraulic
industrial
industry
land
land use planning
landscape
load
machinery
management
mechanical
mining
move
moving
pneumatic
project
rock
sand
site
soil
tipper
transport
truck
unload
vehicle
wheel
work
yellow