Treatment of glass to alter its optical properties; treatment of glass materials; treatment of materials; glass polishing; window tinting treatment being surface coating; treatment of metal; treatment of common metal materials; metal treatment; treatment and coating of metal surfaces; treatment of materials using chemicals; resurfacing of glass; treatment of metal parts to prevent corrosion.

Anatomical models for scientific, instructional, and educational purposes; Children's interactive educational books; Educational and learning publications, namely, booklets and flash cards on a variety of educational disciplines in pre-school through eighth grade; Educational books featuring environmental education; Educational kits sold as a unit in the field of environmental education consisting primarily of educational books, flash cards and worksheets, and also including an educational DV...