No. 77-1095. Submitted October 14, 1977. Decided November 22, 1977. Dorothy L. Moore, Washington, D.C., argued, and Jay E. Shanklin, Atty., John S. Irving, Gen. Counsel, John E. Higgins, Jr., Deputy Gen. Counsel, Carl L. Taylor, Associate Gen. Counsel and Elliott Moore, Deputy Associate Gen. Counsel, N.L.R.B., Washington, D.C., on brief, for petitioner, N.L.R.B. Gordon E. Jackson (argued), W. Kerby Bowling, and Michael R. Forman, Memphis, Tenn., on brief, for respondent, Harmon Industries. Petition