Do clean up panel I/O area east blending & west blending - pre heater 8th - 5th- 3rd floor from dirty of dust use rag and hand blower note clean up panel I/O 5th top side from hard dust need install cover for top panel I/O to protect from dust make panel available from long term use. Do clean up panel I/O are kiln-cooler from dirty of dust also coal use rag and hand blower ( EDI & ADI & IMAN & RISNA CIVACON )