74181999
Jul 3, 1991
Apr 13, 1993
printed reports on the collection of used oil for recycling [ ; fliers and brochures on the collection of used oil for recycling; and directories of used oil collectors, handlers, and recyclers ]
Paper Goods and Printed Matterpromoting to members of the public the benefits of recycling used oil [ and suggesting methods of organizing communities to collect used oil for recycling ]
Computer and Scientific