No. 73-2020. Argued April 5, 1974. Decided June 4, 1974. Allen H. Feldman, N.L.R.B., for petitioner; Peter G. Nash, Gen. Counsel, John S. Irving, Deputy Gen. Counsel, Patrick Hardin, Associate Gen. Counsel, Elliott Moore, Deputy Associate Gen. Counsel, Joseph E. Mayer, Allen H. Feldman, Attys., N.L.R.B., Washington, D.C., on brief. Edward C. Kaminski, Akron, Ohio, for respondent; Philip S. Heffernan, Goodyear Aerospace Corp., Akron, Ohio, on brief. Petition from the National Labor Relations Board