No. 75-1147. October 29, 1976. William Stewart, Atty. (argued), of NLRB, Washington, D.C., for petitioner. J. Mark Montobbio (argued), of Severson, Werson, Berke Melchoir, San Francisco, Cal., for respondent. Before TRASK, GOODWIN and WALLACE, Circuit Judges. TRASK, Circuit Judge: Upon charges filed by Automotive Teamsters and Chauffeurs Local 165 that Tayko Industries, Inc. (Tayko) had engaged in unfair labor practices within the meaning of section 8(a)(1) and (3) of the National Labor Relations