No. 77-2415. September 8, 1978. Rehearing and Rehearing En Banc Denied November 27, 1978. William H. Emer (argued), of Parker, Milliken, Clark O'Hara, Los Angeles, Cal., for petitioner. Joseph Norelli (argued), Washington, D.C., for respondent. Geoffrey V. White, Atty. (argued), San Francisco, Cal., for intervenor. PETITION FOR REVIEW OF A DECISION OF THE NATIONAL LABOR RELATIONS BOARD AND CROSS-PETITION FOR ENFORCEMENT OF THE ORDER OF THE NATIONAL LABOR RELATIONS BOARD Before TUTTLE, DUNIWAY and