COAL MILL GEAR BOX WAS BEING FLIPPED OVER WHILE IT WAS SITTING ACROSS FORKS OF LIFT TRUCK WHEN IT BEGAN TO SLIDE OFF. EE WAS STANDING IN FRONT & TRIED TO CATCH IT WHILE ALSO TRYING TO GET OUT OF THE WAY. THE ATTEMPT TO PUSH IT AWAY RESULTEDIN INJURY TO TENDONS OF RT HAND. EE DIDN'T MISS ANY WORK FOR NEXT MONTH, HOWEVER, WRIST DIDN'T GET BETTER & TIME OFF IS NECESSARY FOR HEALING.