No. 73-1260. Argued October 17, 1973. Decided January 22, 1974. Rehearing Denied March 4, 1974. Lawrence Levien, N.L.R.B., for petitioner; Peter G. Nash, Gen. Counsel, John S. Irving, Deputy Gen. Counsel, Patrick Hardin, Associate Gen. Counsel, Elliott Moore, Assistant Gen. Counsel, Alan D. Cirker, Attys., N.L.R.B., Washington, D.C., on brief. Louis E. Woolery, Louisville, Ky., for respondent; James U. Smith, Jr., Louisville, Ky., on brief. Before CELEBREZZE and MILLER, Circuit Judges, and O'SULLIVAN