機器
action
activity
blade
building
bulldozer
construction
digging
dirty
drag
earth
equipment
excavator
grader
grading
ground
heavy
hydraulic
industrial
ladle
large
long
machinery
mover
municipal
outdoor
power
powerful
road
roadwork
rotate
scoop
scraper
scrub
service
technical
track
tractor
transport
vehicle
wheel
work
yellow