
    473 A.2d 702
    Rulon Co., Appellant, v. Aetna Casualty & Surety.
    Petition for Allowance of Appeal Denied Sept. 5, 1984.
    Argued December 14, 1983.
    Paul Shalita, for appellant;
    Edward A. Greenberg, for appellee.
    Before SPAETH, President Judge, and CIRILLO and JOHNSON, JJ.
   Judgment affirmed.  