1
Oil separating chemicals; bacterial preparations other than for medical or veterinary use; bacteriological preparations other than for medical and veterinary use; water-softening preparations; sterilizing agents; ferments for chemical purposes; absorbing carbon for filters; unprocessed plastics in the nature of filtering materials for water purification and oil separation; mineral substances in the nature of filtering materials for water purification and oil separation; vegetable substances in the nature of filtering materials for water purification and oil separation; flocculants, namely, industrial detergents used for water purification and oil separation; sweeping powder and sweeping particles being chemicals for removing impurities from fluids such as water and oil; water purifying chemicals for water purification and oil separation
5
All purpose disinfectants; germicides; preparations for killing weeds
11
Water softening apparatus and installations; water filters, drinking water filters; water-filtering apparatus; water conduit installations, namely, pipes being parts of plumbing installations; water purifying installations; water purifying apparatus and machines, namely, water purifying units for potable water for domestic, commercial and industrial use; water sterilizers; water supply installations, namely, metered valves for regulating accessories for water supply; water distribution installations, namely, pipes being parts of plumbing installations; water intake apparatus, namely, sinks and drains; water filters as parts of household or industrial installations; disinfectant apparatus, namely, water purification tanks and septic tanks; purification installations for sewage; installations for water sterilization, namely, chemical sterilization units for water treatment; installations for water treatment, namely, chemical sterilization units for water treatment; filter installations for removal of chlorine from water and decalcification of water; water treatment equipment, namely, chemical sterilization units for disinfecting hot water/cold water; water treatment equipment, namely, chemical sterilization units for hot water circulation disinfection; water treatment equipment, namely, chemical sterilization units for treatment of ballast water; water treatment equipment, namely, chemical sterilization units for water sterilization