No. 82-4094. March 11, 1983. Rehearing and Rehearing En Banc Denied May 11, 1983. Elliott Moore, Deputy Associate Gen. Counsel, William R. Stewart, N.L.R.B., Washington, D.C., for petitioner. Gardere Wynne, Ronald M. Gaswirth, Laura M. Franze, Dallas, Tex., for respondents. Application for Enforcement of an Order of the National Labor Relations Board. Before BROWN, GEE and JOLLY, Circuit Judges. E. GRADY JOLLY, Circuit Judge: This case is before us on the application of the National Labor Relations