機器
aerial view
bulldozer
construction
construction industry
construction material
conveyor
digger
directly above
dump
equipment
excavation
exploitation
extraction
factory
gravel
heavy
industry
loader
material
mineral
mining natural resources
mining industry
mining machinery
open pit
opencast
pit
process
quarry
sand
sand mining
sand quarry
shoveling
site
tractor
transportation
truck
vehicle scoop
work
定額
Opencast Sand quarry, industrial extraction of sand for construction industry. Excavators and tractors load sand into dump trucksの素材 [FY310175597336]
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