No. 81-7682. Argued and Submitted February 15, 1983. Decided November 15, 1983. Jolane Ann Findley, N.L.R.B., Washington, D.C., for petitioner. David A. Rosenfeld, Van Bourg, Allen, Weinberg Roger, San Francisco, Cal., for respondent. Petition for Enforcement of the Order of the National Labor Relations Board. Before GOODWIN, TANG and FARRIS, Circuit Judges. PER CURIAM. The National Labor Relations Board petitions for enforcement of an order based on its finding that the Union committed an unfair