機器
activity
alps
big
buldozer
caterpillar
danger
diesel
digger
dust
engine
equipment
excavation
force
granite
ground
heavy
hydraulic
industrial
industry
italy
job
large
machinery
marble
massive
mechanic
metal
mine
motor
mountain
outdoor
powder
power
quarry
rocks
scraper
shovel
stones
strenght
tool
track
tractor
vehicle
wheels
work
yellow