No. 18849. March 12, 1968. Rehearing Denied April 24, 1968. Harold B. Shore, Attorney, National Labor Relations Board, Washington, D.C., for petitioner; Arnold Ordman, General Counsel, N.L.R.B., Dominick L. Manoli, Associate General Counsel, N.L.R.B., Marcel Mallet-Prevost, Asst. General Counsel, N.L.R.B., and Glen Bendixsen, Attorney, N.L.R.B., on the brief. B.S. Clark, of Smith, Williams, Friday Bowen, Little Rock, Ark., for respondent. James C. Paradise and Herbert M. Berman, Cincinnati, Ohio