No. 76-1330. Argued December 7, 1976. Decided January 26, 1977. Thomas G. Greaves, III, Mobile, Ala., James M. Miles, Greenville, S.C. (Haynsworth, Baldwin Miles, Greenville, S.C., on brief), for petitioner. Alan Banov, Atty., N.L.R.B. (John S. Irving, Jr., Gen. Counsel, John E. Higgins, Jr., Deputy Gen. Counsel, Carl L. Taylor, Associate Gen. Counsel, Elliott Moore, Deputy Associate Gen. Counsel, N.L.R.B., Washington, D.C., on brief), for respondent. Irving M. King, Chicago, Ill. (Thomas D. Allison