RUBBER AND GOODS MADE THEREOF, NAMELY, FLANGE PROTECTORS, LIDS, CAPS AND STOPPERS FOR VALVES, PUMPS, FLANGES, PIPES, PIPELINES AND PIPE INSTALLATIONS; RUBBER AND PLASTIC PROTECTION DISCS FOR FLANGES; RUBBER AND PLASTIC SEALING CAPS AND LIDS FOR FLANGES, FACING PROTECTORS NAMELY, FLANGE PROTECTORS, INSULATING CAPS AND LIDS FOR FLANGES; RUBBER AND PLASTIC AS SEMI-FINISHED PRODUCTS IN THE FORM OF TUBES, PIPES, LIDS, CAPS AND FACING PROTECTORS, NAMELY, FLANGE PROTECTORS; FLEXIBLE PIPES NOT OF METAL