No. 30191 Summary Calendar. Rule 18, 5 Cir.; see Isbell Enterprises, Inc. v. Citizens Casualty Co. of New York et al., 5 Cir. 1970, 431 F.2d 409, Part I. February 10, 1971. Rehearing Denied March 22, 1971. Clifford Potter, Director, N.L.R.B., Houston, Tex., Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Eugene B. Granof, Joseph C. Thackery, Attys., N.L.R.B., Washington, D.C., for petitioner. Powell, Brown Maverick, William A. Brown