No. 20554. May 7, 1971. Charles H. White, Nashville, Tenn., for petitioner; Charles Hampton White, Cornelius, Collins, Neal, Higgins White, Nashville, Tenn., on brief. Morton Namrow, National Labor Relations Board, Washington, D.C., for respondent; Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Assoc. Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Allison W. Brown, Jr., Morton Namrow, Attys., N.L.R.B., Washington, D.C., on brief. Before EDWARDS, CELEBREZZE and PECK, Circuit Judges. PER