No. 22515. December 18, 1968. Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Washington, D.C., Michael N. Sohn, Washington, D.C., (argued) and Thomas Silfen, Washington, D.C., Paul A. Cassady, Director, NLRB, Los Angeles, Cal., for petitioner. Charles M. Arak, (argued), Robert M. Dohrmann, (argued) of Arnold, Smith Schwartz, Los Angeles, Cal., for respondent. Ted R. Frame, (argued), of Frame Courtney, Coalinga, Cal., for intervenor