No. 20297. January 27, 1971. Michael F. Messitte, N.L.R.B., Washington, D.C., for petitioner; Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Abigail Cooley Baskir, Michael F. Messitte, Attys., N.L.R.B., Washington, D.C., on brief. Warren D. Wolfe, Toledo, Ohio, for respondent. James F. Duggan, Chicago, Ill., for intervenor; James F. Duggan, George W. Moehlenhof, on brief; McDermott, Will Emery, Chicago, Ill., of counsel. Before