No. 79-1314. Argued February 2, 1981. Decided May 1, 1981. Elliott Moore, Deputy Associate Gen. Counsel, John Ferguson, Joseph Norelli, N.L.R.B., Washington, D.C., Curtis L. Mack, Director, Region 10, N.L.R.B., Atlanta, Ga., for petitioner. J. W. Alexander, Jr., Blakeney, Alexander Machen, Charlotte, N.C., for respondent. Petition from the National Labor Relations Board. Before EDWARDS, Chief Judge, BROWN, Circuit Judge, and BATTISTI, District Judge. Honorable Frank J. Battisti, Chief Judge, United