No. 16565. July 30, 1968. Rehearing Denied September 9, 1968. Marcel Mallet-Prevost, Asst. Gen. Counsel, Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Frank H. Itkin and Peter Kinzler, Attys., N.L.R.B., Washington, D.C., for petitioner. Harry P. Dees, Arthur R. Donovan, Joseph A. Yocum, Evansville, Ind., Kahn, Dees, Donovan Kahn, Evansville, Ind., of counsel, for respondent. Before KNOCH, Senior Circuit Judge, and KILEY and CUMMINGS, Circuit Judges. KILEY, Circuit Judge