No. 13746. Argued May 5, 1970. Decided July 27, 1970. As Modified September 10, 1970. W.S. Blakeney, Charlotte, N.C. (Blakeney, Alexander Machen, Charlotte, N.C., on brief), for petitioner. Robert E. Williams, Atty., N.L.R.B. (Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, and William F. Wachter, Atty., National Labor Relations Board, on brief), for respondent. Cornelius J. Collins, Jr., New York City (Patricia E. Eames, Gen. Counsel