No. 88-7395. Argued and Submitted January 12, 1990. Decided February 21, 1990. Howard E. Perlstein and Richard A. Cohen, N.L.R.B., Washington, D.C., for petitioner. Richard H. Robblee, Hafer, Price, Rinehart Schwerin, Seattle, Wash., for respondent. Petition for review from the National Labor Relations Board. Before BROWNING, BEEZER and RYMER, Circuit Judges. RYMER, Circuit Judge: The National Labor Relations Board ("NLRB") petitions for enforcement of its order holding the International Brotherhood