No. 75-2124. Argued April 16, 1980. Decided September 4, 1980. Elliott Moore, Paul Spielberg, Richard Cohen, Deputy Associate Gen. Counsel, N.L.R.B., Washington, D.C., Bernard Gottfried, Director, Region 7, N.L.R.B., Detroit, Mich., for petitioner. Richard L. Marcus, Adams, Fox, Marcus Adelstein, Scott A. Lathrop, Deborah Devaney, Chicago, Ill., for respondent. Petition for review from the National Labor Relations Board. Before EDWARDS, Chief Judge, and WEICK and MERRITT, Circuit Judges. EDWARDS