機器
bulldozer
business
cargo
construction
development
dirt
equipment
excavate
excavator
heavy
industrial
industry
land
loader
loading
machinery
merchandise
metal
motor
mover
moving
outdoors
planning
plow
road
rural
scoop
side
single
site
skid
small
spring
steer
technology
tractor
trademark
transport
transportation
truck
vehicle
wheel
work
yellow