Nos. 91-1885, 91-2222. Argued January 9, 1992. Decided June 19, 1992. As Amended July 15, 1992. Rehearing and Rehearing En Banc Denied July 27, 1992. John C. Truesdale, Paul J. Spielberg (argued), N.L.R.B., Contempt Litigation Branch, Washington, D.C., Elizabeth Kinney, N.L.R.B., Chicago, Ill., Aileen A. Armstrong, N.L.R.B., Appellate Court, Enforcement Litigation, Washington, D.C., for N.L.R.B. Steven L. Gillman (argued), Davi L. Hirsch, Fox Grove, Chicago, Ill., for Molon Motor Coil Corp. Susan