Nos. 79-7086 to 79-7089 and 79-7158 to 79-7161. Argued and Submitted July 10, 1980. Decided October 8, 1980. James E. Boddy, Jr., Irwin Leff, San Francisco, Cal., argued, for petitioners; James C. Paras, Irwin Leff, San Francisco, Cal., on brief. W. Christian Schumann, NLRB, Washington, D.C., argued, for respondent; Elliott Moore, Washington, D.C., on brief. Petitions for Review and Cross-Applications for Enforcement of Orders of National Labor Relations Board. Before WRIGHT, KENNEDY and POOLE, Circuit