機器
activity
background
belt
building
business
cone
construction
conveyor
crane
crusher
dust
duty
earth
environment
equipment
excavation
excavator
extraction
factory
gravel
heap
heavy
industrial
industry
loading
machinery
manufacturing
material
metal
mine
mineral
open
outdoor
outside
pebble
pile
pit
processing
quarry
quarrying
rock
rubble
sand
sorting
stone
technology
transportation
truck
work
定額
Elements of equipment for the extraction and sorting of rubble. Production of construction materials. Metal construction for working with stone and rocks. Slag of gravel under the conveyor belt.の素材 [FY310123370685]
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