No. 77-1274. January 10, 1978. Rehearing Denied February 27, 1978. William F. Banta, New Orleans, La., for petitioners-cross respondents. Elliott Moore, Deputy Associate Gen. Counsel, John S. Irving, Gen. Counsel, John E. Higgins, Jr., Deputy Gen. Counsel, Carl L. Taylor, Assoc. Gen. Counsel, William R. Stewart, Alan Banov, Attys., N.L.R.B., Washington, D.C., for N.L.R.B. Petition for Review and Cross Application for Enforcement of an Order of the National Labor Relations Board. Before WISDOM, GEWIN