No. 79-2595. April 24, 1980. Rehearing Denied May 29, 1980. Elliott Moore, Deputy Assoc. Gen. Counsel, Andrew Tranovich, Barbara G. Gehring, NLRB, Washington, D.C., for petitioner. Brown, Herman, Scott, Dean Miles, Fort Worth, Tex., L. G. Clinton, Jr., T.J. Wray, Houston, Tex., for respondent. Application for Enforcement of an Order of the National Labor Relations Board. Before WISDOM, FAY and TATE, Circuit Judges. TATE, Circuit Judge: The National Labor Relations Board petitions for enforcement