No. 78-1001. Argued May 2, 1978. Decided September 22, 1978. Bernard P. Jeweler, Baltimore, Md., Atty., with whom John S. Irving, Gen. Counsel, John E. Higgins, Jr., Deputy Gen. Counsel, Carl L. Taylor, Associate Gen. Counsel, Elliott Moore, Deputy Associate Gen. Counsel, and William R. Stewart, Atty., Washington, D.C., were on brief, for petitioner. Richard D. Hayes, Springfield, Mass., with whom Sullivan Hayes, Springfield, Mass., was on brief, for respondent. Petition from the National Labor Relations