
    454 A.2d 149
    Chang, et ux., Appellants v. Rheem Textile Sys. Inc., et al.
    Petition for Allowance of Appeal Denied March 2, 1983.
    Argued December 16, 1981.
    James P. McEvilly, Jr., for appellants; Richard A. Kraemer, for appellee.
    Before WICKERSHAM, BECK and POPOVICH, JJ.
   Order affirmed.  