EE STATES HE WAS IN THE PROCESS OF ALIGNING 2 PIECES OF PIPE TO BE FUSED TOGETHER. THE 2' PIECES BACKHOE AND EE WAS GUIDING THE OTHER END THROUGH THE MACHINES SADDLES. EE PULLED ON PIPE BECAUS E IT GOT JAMMED OR HUNG UP ON SADDLE. MOMENTUM OF PIPE SWUNG ON INTO ANOTHER AND EE S FINGERS WERE CAUGHT IN BETWEEN.