No. 93-1707. Argued March 24, 1995. Decided May 12, 1995. On Petition for Review and Cross-Application for Enforcement of an Order of the National Labor Relations Board. William H. Emer, Los Angeles, CA, argued the cause for petitioner. With him on the briefs was Kelly F. Watson, Los Angeles, CA. Robert J. Englehart, Atty., N.L.R.B., Washington, DC, argued the cause for respondent. With him on the brief were Linda R. Sher, Acting Associate General Counsel, Aileen A. Armstrong, Deputy Associate General