A CHUTE WAS PLUGGED UP GOING INTO A 4 1/4 CRUSHER. I WAS POKING AT THE ROCKS WITH A BAR 4' LONG. WHEN THE LAST LITTLE BIT OF STONE CAME OUT 2 ROCKS HIT EACH OTHER AND ONE OF THEM FLEW OVER & H IT ME ON THE LEFT SIDE OF MY FACE. IT WAS A 10"" ROCK. IT BROKE MY SAFETY GLASSES AND CUT ME JUST BELOW MY EYE.