Apparatus for disinfecting water; Hot-air space heating apparatus; Purification installations for sewage; Sanitary installations in the nature of steam rooms; Water filtering apparatus; Water purification installations; Water purifying apparatus; Water softening apparatus and installations; Water sterilizers; Water treatment apparatus, namely, clarification and thickening machines for use in treatment of liquids in the nature of water, waste water and industrial water

Biochemical catalysts; Bleaching preparations for industrial purposes; Catalysts for use in the manufacture of synthetics, rubbers and polymers; Chemical additives for use in the manufacture of food, pharmaceuticals; Chemical preparations in the nature of filtering materials in beverages industry; Chemicals for fermenting wine; Chemicals for use in purification of water; Chemicals for use in purifying water; Ion-exchange resins; Water-softening preparations

Consulting services in the field of energy saving featuring measurements to improve energy efficiency; computer system design; chemical analysis; chemical research; scientific research; product quality testing; technical research in the field of aeronautics; biological research; industrial design; research in the field of environmental protection