機器
action
activity
blade
break
build
building
bulldozer
construction
dig
digging
dirt
dredger
earth
equipment
excavation
excavator
ground
heating
heavy
industrial
industry
iron
land
large
machinery
main
metal
mover
old
outdated
outdoors
outside
picking
pipe
plumbing
power
production
repair
sand
scoop
scraper
shovel
soil
tool
top
tractor
transport
wheel
work