
    428 A.2d 259
    Daily Industries et al., Appellants v. Transport Trailer Service, Inc.
    Petition for Allowance of Appeal Denied April 21, 1981.
    Argued March 5, 1980.
    Delano M. Lantz, for appellants;
    Ronald M. Katzman, for appellee.
    
      Before CERCONE, P. J., and WATKINS and MONTGOMERY, JJ.
   Judgment affirmed.  