機器
action
activity
blade
bucket
building
buldozer
caucasian
construction
control
cut
development
dig
diggar
duty
earth
earthmover
equipment
excavation
excavator
gravel
heavy
industry
large
loader
machinery
male
man
mine
mining
mover
operator
orange
outdoors
power
river
scoop
shovel
tractor
vehicle
water
white
work
working