
    Public Service Mutual Insurance Company Appeal.
    
      Submitted June 14, 1971.
    
      Ronald J. Brockington, for appellant; Arthur K. Makadon and Milton M. Stein, Assistant District Attorneys, James D. Crawford, Deputy District Attorney, Richard A. Sprague, First Assistant District Attorney, and Arlen Specter, District Attorney, for Commonwealth, appellee.
   Order affirmed.  