No. 81-2174. Submitted June 15, 1982. Decided October 11, 1982. Andrew F. Tranovich, Abby Propis Simms, William A. Lubbers, Gen. Counsel, John E. Higgins, Jr., Deputy Gen. Counsel, Robert E. Allen, Acting Associate Gen. Counsel, Elliott Moore, Deputy Associate Gen. Counsel, N.L.R.B., Washington, D.C., for petitioner, N.L.R.B. Erwin Lerten, Beverly Hills, Cal., for respondent, Alumina Ceramics, Inc. Petition for enforcement of an order of National Labor Relations Board. Before HEANEY, Circuit Judge