No. 84-2567. Argued April 19, 1985. Decided December 27, 1985. John Rubin, N.L.R.B., Washington, D.C., for petitioner. Raymond F. Beagle, Mary M. Cracraft, Rik N. Siro, Gage Tucker, Kansas City, Mo., for respondent. Petition for review from the National Labor Relations Board. Before ESCHBACH and POSNER, Circuit Judges, and SWYGERT, Senior Circuit Judge. ESCHBACH, Circuit Judge. The primary question presented by this petition for the enforcement of an order of the National Labor Relations Board ("the