EE WHILE WORKING INSERT END OF NYD BREAKING MACHINE. WAS HELPING ANOTHER EE BREAK STONE. IN THE PROCESS HE WAS ROLLING A STONE UP TO BE SPLIT. IN DOING SO HE GOT HIS RIGHT THUMB CAUGHT BETWEEN STONE AND BREAKER TEETH. WHICH RESULTED IN HIS THUMB REQUIRING STITCHES AND ALSO BREAKING HIS THUMB.