機器
environmental
assessment
black
bulk
coal
construction
crusher
device
dust
engineering
equipment
excavator
fabrication
factory
goldmine
handling
icon
illustration
industrial
industry
iron
item
limestone
line
maintenance
manufacture
manufacturing
material
mineral
mining
monitoring
monochrome
opencast
outline
plant
process
processing
quality
quarry
repairs
sales
sign
spare
supervision
symbol
system
technology
vibration
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