機器
bulldozer
construction
conveyors
copper
cyprus
deep
diamond
dig
engineering
environment
equipment
excavate
excavator
extraction
factory
geology
grab
gravel
ground
heavy
hill
huge
industrial
industry
iron
land
landscape
mine
open cut
outdoor
outdoors
panorama
quarry
quarrying
resourse
rock
stone
surface mine
technology
truck
view
waste
work