No. 84-2838. Argued June 3, 1985. Decided July 17, 1985. Elinor Stillman, Associate Gen. Counsel, Washington, D.C., for petitioner. Lawrence M. Cohen, Fox Grove, Chicago, Ill., for respondent. Petition from the National Labor Relations Board. Before CUMMINGS, Chief Judge, EASTERBROOK, Circuit Judge, and WRIGHT, Senior Circuit Judge. The Honorable Eugene A. Wright, Senior Circuit Judge of the United States Court of Appeals for the Ninth Circuit, is sitting by designation. CUMMINGS, Chief Judge. The