Machines for generating gas by electrolysis; electromechanical machines for chemical industry; system control instruments (mechanical -); machines and machine tools for treatment of materials and for manufacturing; chemical processing equipment; reactors being industrial chemical installations.

Industrial treatment apparatus and installations.

Retailing of prescription and non-prescription eyeglasses and sunglasses, frames, lenses and other optical goods and parts and accessories thereof

Optical dispensing and optometrical services including eyesight testing services