機器
action
activity
bucket
building
bulldozer
cloudscape
construction
contractor
development
dig
digger
dirt
dirty
dredger
dredging
earth
earth mover
equipment
excavate
excavation
excavator
ground
heavy
hoe
hydraulic
industry
iron
land
large
loader
machinery
metal
mine
mining
mover
new
old
outdoor
outdoors
outside
picking
power
quarry
rig
sand
scoop
scraper
shovel
site
sky
soil
street
technology
tipper
tool
tractor
transport
transportation
vehicle
wheel
work
yellow