No. 79-3491. January 19, 1981. Powell, Brown Maverick, William L. Bedman, William A. Brown, Harry M. Thomson, Jr., Houston, Tex., for petitioner, cross-respondent. Elliott Moore, Deputy Associate Gen. Counsel, Diana Orantes Ceresi, Washington, D.C., for respondent, cross-petitioner. Petition to Review and Cross Application for Enforcement of an Order of the National Labor Relations Board. Before WISDOM, RUBIN and SAM D. JOHNSON, Circuit Judges. PER CURIAM: The National Labor Relations Board found