No. 89-1752. Argued October 25, 1990. Decided December 7, 1990. Ronald Y.K. Leong, with whom Frederick R. Troncone, Honolulu, Hawaii, was on the brief, for petitioner. Robert F. Mace, Attorney, N.L.R.B., with whom Aileen A. Armstrong, Deputy Associate Gen. Counsel, and Peter Winkler, Supervisory Atty., N.L.R.B., Washington, D.C., were on the brief, for respondent. Petition for Review and Cross-Application for Enforcement of an Order of the National Labor Relations Board. Before WALD, Chief Judge;