
    452 A.2d 554
    Harrison, Jr. v. American Hoist and Derrick Co. Appeal of Economy Baler Company. Harrison v. American Baling Co., Appellant.
    Reargument Denied Dec. 1, 1982.
    Argued March 17,1982.
    Timothy D. Appelbe, for appellants; David H. Trushel, for appellee.
    
      Before SPAETH, JOHNSON and HOFFMAN, JJ.
   The order of the court is affirmed.  