
    No. 73-807.
    Cylinder Gas, Chemical, Petroleum, Auto-Service & Accessory Drivers, Maintenance, Mechanics, Helpers & Inside Employees Local No. 283, International Brotherhood of Teamsters, Chauffeurs, Warehousemen & Helpers of America v. Ottawa Silica Co. et al.
   C. A. 6th Cir. Certiorari denied.  