
    No. 81-280.
    No. 81-330.
    No. 81-331.
    No. 81-332.
    No. 81-333.
    General Building Contractors Assn., Inc. v. Pennsylvania et al.; United Engineers & Constructors, Inc. v. Pennsylvania et al.; Contractors Association of Eastern Pennsylvania et al. v. Pennsylvania et al.; Glasgow, Inc. v. Pennsylvania et al.; and Bechtel Power Corp. v. Pennsylvania et al.
   C. A. 3d Cir. [Certiorari granted, 454 U. S. 939.] Motion of petitioner in No. 81-280 for divided argument and for additional time for oral argument granted, and an additional 15 minutes allotted for oral argument to be divided as follows: Counsel for petitioners in Nos. 81-280 and 81-331, 20 minutes; and counsel for petitioners in Nos. 81-330, 81-332, and 81-333, 25 minutes. Respondents also allotted an additional 15 minutes for oral argument. Motion of petitioners in Nos. 81-330, 81-331, 81-332, and 81-333 for divided argument and for additional time for oral argument denied.  