1. MAINTENANCE OF TECHNOLOGICAL NOISE CONTROLS

2. TECHNOLOGICAL NOISE CONTROLS:  ARE DESIGNED AND INSTALLED TO PROTECT YOUR HEARING  MUST BE PROPERLY SELECTED FOR INTENDED USE  ARE NECESSARY ON MOST PIECES OF MINING EQUIPMENT  ARE INEFFECTIVE IF ALL OR PORTION HAVE BEEN REMOVED  ARE SUBJECT TO WEAR AND TEAR AND MAY REQUIRE REPLACEMENT

3. THE FOLLOWING ILLUSTRATE MISAPPLIED, BROKEN, OR MISSING NOISE CONTROLS

4. EXCELLENT MUFFLER,BUT

5. IT DISCHARGES AT EAR LEVEL

6. GOOD INTENTIONS POOR APPLICATION

7. EXHAUST SYSTEM LEAK

8. HEAT DESTROYED SOUND ABSORPTION MATERIAL

9. POORLY SEALED CURTAIN BARRIER CURTAIN

10. 1/3 OF MATERIAL MISSING

11. ACOUSTICAL MILL INSULATION REMOVED

12. REMOVED FACING EXPOSES FOAM TO UV LIGHT FACING INTACT

13. UV LIGHT DESTROYS NEOPRENE FOAM INSULATION

14. WORN COWL GASKETING

15. MISSING HYDRAULIC TANK SEAL

16. NO DOOR GLASS

17. They can whisper to you now, Don’t make them shout at you in the future