INJURED AND CO-WORKER WERE IN THE PROCESS OF UTILIZING A CRANE HOIST TO LOWER A 19"" VALVE WITH AN AIR ACTUATOR ON IT TO THE BASEMENT FLOOR. AS THE VALVE APPROACHED THE FLOOR INJURED REACHED OU T TO TURN IT AROUND WHEN A WIRE CHOKER SLIPPED ON THE VALVE LACERATING HIS LEFT RING FINGER RESULTING IN 12 SUTURES.