Workers control and check machines around the pugmill as a place to mix all aggregate and asphalt materials in hot conditions in the asphalt mixing plant

workers control check machines asphalt mixing plant around pugmill mix aggregate materials conditions asphalt storage area boiler cold bin hopper cold elevator hot elevator dryer hot screening silo feeder filler storage hotmix belt conveyor burner air lock damper vibrator dust collector cold bin gate hot screen weight bin mercury asphalt control unit filter concrete laston production machine asphalt mixing plant amp fraction filler hot bin weight hopper supply speed viscosity