機器
activity
big
black
blue
bucket
build
bulldozer
closeup
color
concept
construction
dig
digger
dozer
earth
equipment
excavate
excavation
excavator
grey
heavy
hoe
hydraulic
industry
iron
large
loading
machinery
metal
mining
mover
orange
part
power
scoop
scraper
shovel
steel
strength
technology
vehicle
work
yellow