Coating systems in the nature of polyurethane-based and polyuria-based protectants for lining manholes and underground wastewater structures, culvert linings, bridge decks, and potable water tanks.

Electronic machines, apparatus and their parts; telecommunication devices and apparatus; power distribution or control machines and apparatus; rotary converters; phase modifiers; batteries and cells; electronic or magnetic meters and testers; electric wires and cables; electric buzzers; magnetic cores; resistance wires.

Educational and instruction services relating to knowledge of computers and knowledge of operating and exploiting computers; arranging, conducting and organization of training courses relating to operating and exploiting computers.