機器
activity
backhoe
bagger
big
bucket
building
buildingsite
bulldozer
caterpillar
construction
constructionvehicle
contractor
demolition
dig
digger
dirt
dredge
dump
earth
earthmover
equipment
excavator
gravel
heavy
heavyduty
heavyload
heavyvehicle
huge
kick
komatsu
lad
large
lifter
loader
mining
pit
pneumatic
publicworks
road
sand
sand pit
scoop
scrape
sites
spade
tipper
tractor
truck
works