機器
agriculture
asphalt
auto
big
bucket
buckets
building
bulldozer
car
day
empty
equipment
excavator
freight
gray
heavy
house
hydraulic
industrial
industry
iron
large
loader
machinery
modern
movement
near
one
orange
outdoor
production
rides
road
scoop
scraper
steel
street
technology
tractor
tractors
transport
transportation
truck
wheel
work
yard
yellow