機器
explosion
anthracite
black
bucket
carrier
coal
crane
dig
digger
dirty
drill
dust
earth
energy
equipment
excavator
explosives
extraction
factory
formation
fuel
geology
gold
grab
huge
industry
installation
iron
large
lay
loader
mine
miner
mineral
mining
moving
open
operations
reconnaissance
resourse
rock
russia
soil
transport
truck
wealth
wick
work
yellow