機器
action
build
cab
contractor
copy space
development
diesel
dirty
earth
earthmover
engineering
fingers
ground
heavy
industrial
labor
ladies
large
loader
long
low
machinery
mine
mining
mover
operate
operator
panorama
power
progress
sand
scraper
site
soil
steel
teeth
tool
track
tractor
transport
up
vehicle
wheel
wide
work
worker