HE ATTEMPTED TO REMOVE SOME ROCKS THAT HAD BECOME LODGED IN THE FLY WHEEL OF THE JAW CRUSHER. WHEN HE MOVED A ROCK ANOTHER ROCK STRUCK HIS LEFT HAND PINNING IT TO THE FRAME AND BREAKING HIS MI DDLE FINGER. THERE WAS ALSO A LACERATION TO THE HAND THAT REQUIRED SOME STITCHES.