機器
activity
big
bucket
build
builder
bulldozer
cleanup
clouds
construction
crane
digger
dredger
earth
equipment
excavation
excavator
heavy
horizon
huge
hydraulic
industrial
industry
iron
landscape
large
machinery
mass
massive
mechanical
metal
modern
mover
nice
occupation
orange
outdoor
platform
power
scene
scoops
shovel
site
sky
steel
tall
utility
vehicle
work
yellow