機器
bucket
bulldozer
crawler
digger
dredger
dump
earthmover
equipment
excavation
excavator
gravel
grinding
heap
heavy
hopper
hydraulic
industrial
industry
loader
machinery
mover
moving
nobody
outdoor
quarry
rock
scoop
separate
separation
shovel
sieve
sift
sifting
soil
sort
sorting
stones
tractor
transport
transportation
truck
vehicle
versatility
work
workplace