No. 73-1325. Argued December 4, 1973. Decided January 23, 1974. Peter G. Nash, Gen. Counsel, John S. Irving, Deputy Gen. Counsel, Elliott Moore, Deputy Associate Gen., Paul J. Spielberg, John Depenbrock, Attys., National Labor Relations Board, Washington, D.C., on brief, for petitioner. Jonas B. Katz, David Reichert, Cincinnati, Ohio, on brief, for respondent. Petition for Enforcement of an Order of the National Labor Relations Board. Before CELEBREZZE, Circuit Judge, McALLISTER, Senior Circuit Judge