機器
arm
back
blade
build
building
bulldozer
cat
claw
cloud
construction
demolition
destruction
dig
digger
dirt
door
dozer
engine
engineering
excavator
force
hand
heavy
hole
industrial
industry
labour
light
line
machinery
ocean
oil
power
road
sky
steel
street
tracktor
tractor
transport
transportation
trench
truck
vehicle
well
wheel
work
yard
yelow