Apparatus for heating, namely, electric heating fans, electric radiators for heating buildings, and industrial heating furnaces; apparatus for steam generating, namely, electric steam radiators for heating buildings, steam generators, and industrial steam heating apparatus; apparatus for water supply and sanitary installations, namely, industrial-water purifying apparatus, water distillation units, and waste water purification units; machines and apparatus for water heating, treatment, softening and purification, namely, water softening units, water purification units, water heaters, osmosis filtration units, namely, reverse osmosis filtration units, and water filters; heating installations, in particular water heating installations in the nature of water heaters, solar water heaters, gas water heaters, and tankless water heaters; heating boilers; water supply and water treatment plants, including, water sterilizers, water purification units, and water purification apparatus; water filtering apparatus; apparatus for rainwater and groundwater utilization, namely, water desalination plants, equipment for treating groundwater and soil comprising distribution lines, distribution manifolds, drop tubes, well seals and blowers, water softening installations and apparatus; water disinfectant apparatus, including, water sterilizers, water purification units and water purification apparatus; expansion tanks for central heating systems, drinking water and service water heating installations; apparatus and machines for water purification, namely, industrial-water purifying apparatus, water purification installations, water sterilizers, water purification and filtration apparatus; water distribution systems, namely, equipment for treating groundwater and soil comprising distribution lines, distribution manifolds, drop tubes, well seals and blowers; all aforementioned goods not for purposes of creating, monitoring, measuring and/or controlling vacuum environments, nor for purposes of cryogenic engineering; excluding all goods designed or are intended to be used only in laboratories or designed or are intended to be used only for water purification only for laboratory use

Installation, maintenance and repair of centrifugal pumps for building installations, water supply and disposal cleaning apparatus and installations; installation and maintenance of heating equipment; installation and repair of electric appliances or electronic appliances, namely, appliances such as water filters, water sterilizers and water purifiers; installation and maintenance of hardware for Internet accesses, namely, computer hardware for internet access; installation and maintenance of hardware for network systems, namely, installation and maintenance of computer hardware for use in computer networks; installation and maintenance of bus systems, namely, installation and maintenance of computer hardware in the nature of universal serial bus (USB) hardware; machinery installation, machinery maintenance and machinery repair; all aforementioned goods not for purposes of creating, monitoring, measuring and/or controlling vacuum environments, nor for purposes of cryogenic engineering; excluding all services designed or are intended to be used only in laboratories or designed or are intended to be used only for water purification only for laboratory use