TWO COMPONENT EPOXY-RESIN BASED COATINGS FOR USE AS PROTECTIVE FLOOR COATINGS AND IN PROTECTING OTHER HORIZONTAL SURFACES, USED IN NEW BUILDING CONSTRUCTION AND IN REPAIR AND RENOVATION OF EXISTING BUILDINGS; EPOXY-RESIN FLOORING COATING MATERIALS FOR USE IN NEW BUILDING CONSTRUCTION AND IN REPAIR AND RENOVATION OF EXISTING BUILDINGS, PARTICULARLY FOR USE OVER CONCRETE