Nos. 86-5884, 86-5967. September 15, 1987. Timothy K. Carroll (argued), Michael Lied, Dykema, Gossett, Spencer, Goodnow and Trigg, Detroit, Mich., for petitioner, cross-respondent. Elliott Moore, Deputy Associate General Counsel, N.L.R.B., Washington, D.C., William R. Stewart, Harriet Lipkins (argued), Bernard Gottfired, N.L.R.B., Detroit, Mich., for respondent, cross-petitioner. Petition for review from the National Labor Relations Board. Before MERRITT and NELSON, Circuit Judges, and CONTIE, Senior