No. 80-1709. Argued January 19, 1982. Decided February 17, 1982. Leonard R. Page, Associate Gen. Counsel, Detroit, Mich., Michael L. Fayette, Kleiner De Young, Grand Rapids, Mich., Judith Scott, Detroit, Mich., for petitioner. Elliott Moore, Deputy Associate Gen. Counsel, N.L.R.B., Washington, D.C., Michael Messitte, Detroit, Mich., for respondent. Petition for review from the National Labor Relations Board. Before BROWN and MARTIN, Circuit Judges, and NIES, Judge. The Honorable Helen W. Nies, Judge