EE REMOVING BOLTS ON CRUSHER WITH AIR POWERED RATCHET. AIR HOSE (3/4""ID) FAILED COMING LOOSE BY FITTING-CAUSING HOSE TO WHIP AROUND AND BLOW DUST INTO EE'S EYES & HITTING EE'S HEAD BY RIGHT EA R. EE WAS WEARING HARD HAT & SAFETY GLASSES WHEN HOSE FAILED-HAT & GLASSES KNOCKED OFF.