No. 85-3266. Argued January 14, 1986. Decided March 18, 1986. Thomas W. Budd, (argued), Clifton, Budd, Burke DeMaria, New York City for respondent, Paper Manufacturers Co. Bernard N. Katz (argued) Michael N. Katz, Basil L. Merenda, Meranze Katz Philadelphia, Pa., for respondent, Warehouse Employees Local 169. William T. Josem, (argued), Markowitz Richman, Philadelphia, Pa., for intervenor Graphic Communications Intern. Union Local 14, AFL-CIO. Andrew F. Tranovich, Marc B. Seidman (argued) Attys.