機器
big
car
construction
dirt
dump
earth
earthmover
equipment
excavation
excavator
extraction
giant
gold
haul
hauling
heavy
huge
industrial
industry
iron
large
lift
loader
loading
machinery
metal
mine
mineral
move
mover
open cast
ore
outdoors
outside
power
powerful
production
sky
steel
supersize
tractor
transport
transportation
truck
vehicle
wheel
wheels
work
yellow