機器
aerial
big
building
built structure
cement
concrete
construction
deep
dig
digging
dirt
dump
dust
environment
equipment
excavating
excavation
factory
gravel
heavy
industrial
industry
israel
land
lime
limestone
machinery
mine
miner
mineral
mining
mining natural resources
mountain
openpit
pit
plant
potash mine
powerful
production
quarry
road
rock
sand
site
stone
technology
truck
work