機器
activity
backhoe
blade
bucket
bulldozer
construction
contractor
crawler
dig
dredger
dump
dumper
earth
excavate
excavation
excavator
gravel
heavyduty
hydraulic
industrial
industry
load
loader
lorry
machinery
massive
mine
mover
pit
power
quarry
renovation
road
rock
sand
sandpit
scoop
shovel
site
soil
tip
transport
truck
under
unloading
vehicle
work