No. 75-2339. Argued June 9, 1976. Decided November 8, 1976. Aileen Armstrong, N.L.R.B. (John S. Irving, Gen. Counsel, John E. Higgins, Jr., Deputy Gen. Counsel, Elliott Moore, Deputy Associate Gen. Counsel, N.L.R.B., John H. Ferguson, Sandra Shands Elligers, Attys., N.L.R.B., on brief, for petitioner. J. W. Alexander, Jr., (John O. Pollard, Blakeney, Alexander and Machen, on brief) Charlotte, N.C., for respondent. Before HAYNSWORTH, Chief Judge, and BUTZNER and WIDENER, Circuit Judges. HAYNSWORTH