PIPE WAS BEING TRANSPORTED INTO SHOP TO BE WELDED, A FORKLIFT HIT EACH END OF PIPE, ONE FORKLIFT BACKING UP AND ONE FORKLIFT MOVING FORWARD, ELECTRICIAN STARTED MEASURING PIPE AFTER FORKLIFT STOPPED BACKING UP, OTHER FORKLIFT WAS STILL MOVING, PUSHED PIPE AGAINST OTHER FORKLIFT PINCHING WELDER'S FINGER.