
    No. 731.
    Local Union No. 542-A, -B, -C, International Union of Operating Engineers, AFL-CIO v. National Labor Relations Board.
    
      Abraham E. Freedman and Martin J. Vigderman for petitioner.
    
      Solicitor General Marshall, Arnold Ordman, Dominick L. Manoli and Norton J. Come for respondent.
   C. A. 3d Cir. Cer-tiorari denied.  