機器
aerial
big
building
bulldozer
cleaning
concentrate
construction
danger
destruction
dig
digger
digging
earth
ecology
environment
excavation
excavator
extraction
factory
heavy
heavy trucks
huge
industrial
industry
iron
landscape
large
level
loading
machinery
metallurgy
mine
mineral
mining
mining and concentrating
ore
pit
plant
quarry
red
rock
scenic
stone
track
transport
truck
ukraine
vehicle