EE WAS TIGHTENING A PIECE OF PIPE IN THE LATHE. AS HE TIGHTEND THE CHUCK, HE HIT THE FORWARD LEVER ON THE LATHE WITH HIS LEFT KNEE, ENGAGING THE LATHE, AND HIS CLOTHING WAS CAUGHT IN THE CHUCK WRENCH. HIS LEFT ARM WAS PULLED PARTIALLY AROUND THE LATHE, CAUSING ABRASION AND BRUISING OF HIS LEFT HAND, WRIST, ARM AND CHEST.