機器
aggregate
belt
building
bulk
burner
calcium
cement
clay
coal
construction
conveyer
development
dust
factory
freight
generator
heap
heater
heavy
industrial
industry
kiln
landscape
limestone
long
material
metal
mine
mineral
mound
piling
plant
pollution
port
pounder
quarry
reclaimer
rehabilitation
reserve
silo
site
stacker
steel
stock
stockpile
stone
storage
truck
vehicle