No. 74-1851. Argued March 4, 1975. Decided April 2, 1975. Edwin O. Norris and James W. Bradford, Jr., Kingsport, Tenn. (Hunter, Smith, Davis, Norris Treadway, Kingsport, Tenn., on brief), for petitioner. Jay E. Shanklin, Washington, D.C. (Michael S. Wolly, Washington, D.C., on brief), for respondent. Petition from the National Labor Relations Board. Before BUTZNER and FIELD, Circuit Judges, and HALL, District Judge. K.K. HALL, District Judge: The decision and order of appellee, National Labor Relations