No. 72-2104. Argued April 18, 1973. Decided June 19, 1973. Charles Hampton White, Cornelius, Collins, Higgins White, Nashville, Tenn., on brief, for petitioner. Steven C. Kahn, N.L.R.B., Washington, D.C., for respondent; Elliott Moore, Deputy Asst. Gen. Counsel, Washington, D.C., on brief. Petition for review from the National Labor Relations Board. Before EDWARDS and MILLER, Circuit Judges, and LAMBROS, District Judge. Honorable Thomas D. Lambros, United States District Judge for the Northern District