機器
alps
apennines
block
cave
construction
cutting
danger
digging
earth
engineering
equipment
excavation
excavator
extraction
geology
granite
greece
heavy
industrial
industry
landscape
machinery
marble
material
mine
mineral
mountain
natural
nature
occupation
pit
power
quarry
quarrying
removing
rock
site
sky
stone
thassos
vehicle
view
white
work
working