
    461 A.2d 881
    Penstan Supply v. Hay, et al. Appeal of Construction Concepts and Henry M. Whitehead.
    Petition for Allowance of Appeal Denied Sept. 21, 1983.
    Argued February 23, 1983.
    George Gvozdich, Jr., for appellants;
    Randolph M. Wisnouse, for appellee.
    Before SPAETH, BROSKY and MONTEMURO, JJ.
   Judgment affirmed.  