Nos. 19665, 19890. August 17, 1970. J.W. Alexander, Jr., Charlotte, N.C. (Philip J. Kennedy, Sr., Cincinnati, Ohio, on the brief), for Kayser-Roth Hosiery Co.; Kennedy Moore, Cincinnati, Ohio, Blakeney, Alexander Machen, Charlotte, N.C., of counsel. Vivian Asplund, National Labor Relations Board, Washington, D.C. (Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Leonard M. Wagman, Atty., National Labor Relations Board, Washington