Nos. 121, 268, Dockets 81-4070, 81-4092. Argued October 28, 1981. Decided January 7, 1982. Paul B. Zuydhoek, Phillips, Lytle, Hitchcock, Blaine Huber, Buffalo, N.Y., for petitioner. John D. Burgoyne, Asst. Gen. Counsel, N.L.R.B., Washington, D.C. (William A. Lubbers, Gen. Counsel, John E. Higgins, Jr., Deputy Gen. Counsel, Robert E. Allen, Acting Associate Gen. Counsel, Elliott Moore, Deputy Associate Gen. Counsel, N.L.R.B., Washington, D.C., of counsel), for respondent. Frank S. Kedzielawa, Buffalo