BABCOCK WILCOX v. W.C.A.B

Raymond F. Keisling, Will, Keisling, Ganassi McCloskey, Carnegie, for appellants. LeRoy S. Zimmerman, Atty. Gen., Samuel S. Blaufeld, Pamela M. Schiller, Norman R. Haigh, Secretary, W.C.A.B., Harrisburg, for appellees. Richard W. Rosenblitt, Galfand, Berger, Lurie March, Philadelphia, amicus curiae, for Pennsylvania AFL-CIO. Edwin H. Beachler, Pennsylvania, Trial Lawyers Assn., William Caroselli, Pittsburgh.