1
Enzymes for industrial purposes; Surface-active chemical agents; Water (Distilled -); Gas purifying preparations; Filtering materials [mineral substances]; Softening preparations (Water -); Flocculants; Purifying chemicals (water- ); Anti-incrustants; Catalysts; Industrial chemicals; Fertilizers
2
Bactericidal paints; Anti-corrosive preparations; Anti-corrosive bands; Anti-rust greases; Greases (Anti-rust -); Anti-rust oils; Anti-tarnishing preparations for metals; Protective preparations for metals; Anti-rust preparations for preservation
4
Fuel; Industrial wax; Dust binding compositions for sweeping; Sweeping (Dust binding compositions for -); Dust removing preparations
6
Water pipes of metal; Junctions of metal for pipes; Pipework of metal; Drain traps [valves]of metal; Gutter pipes of metal; Branching pipes of metal; Gratings of metal; Flanges of metal [collars]; Tanks of metal
7
Aerated water making apparatus; Mineral water making machines; Hydraulic engines and motors; Centrifugal machines; Pumps [machines]; Hydraulic pumps; Valves [parts of machines]; Water separators; Disposals (Garbage [waste]-); Garbage disposals; Sorting machines for industry; Aerated beverages making machines; Pulverisers (Sewage -); Washing apparatus; Vehicle washing installations; Cleaning (Machines and apparatus for -), electric; Waste disposal units; Waste disposals; Waste disposers [machines]; Waste compacting machines; Trash compacting machines
9
Barometers; Thermostats; Ozonisers [ozonators]; Pressure indicators; Wind measurement apparatus; Water meters; Gas meters; Electricity meters; Distribution boxes [electricity]; Distribution boards [electricity]; Distribution consoles [electricity]
11
Water supply installations; Incinerators; Water purification installations; Water sterilizers; Purification installations for sewage; Oil-scrubbing apparatus; Disinfectant apparatus; Germicidal burners; Desalination apparatus; Sewage (Purification installations for -); Air filtering installations; Air purifying apparatus and machines; Feeding apparatus for heating boilers; Water filtering apparatus; Water purifying apparatus and machines; Water softening apparatus and installations; Aquarium filtration apparatus; Air filtering apparatus; Water conduits installations; Water intake apparatus; Regulating and safety accessories for water apparatus; Water filters
32
Fruit juices; Waters [beverages]; Mineral water; Table waters; Soda water; Sorbets [beverages]; Aerated water; Fruit nectars, non-alcoholic; Colas; Mineral water [beverages]
36
Mutual funds; Capital investments; Fund investments; Real estate management; Bail-bonding; Surety services; Guarantees; Factoring; Fiduciary; Trusteeship
37
Construction; Underwater construction; Factory construction; Pipeline construction and maintenance; Heating equipment installation and repair; Irrigation devices installation and repair; Kitchen equipment installation; Restoration of bathroom fittings; Pump repair
39
Transport and storage of trash; Water supplying; Water distribution; Distribution of energy; Transport by pipeline
40
Blacksmithing; Boiler-making; Recycling of waste and trash; Waste treatment [transformation]; Destruction of waste and trash; Incineration of waste and trash; Air purification; Air deodorizing; Air freshening; Water treating; Waste and trash (Destruction of -); Decontamination of hazardous materials; Sorting of waste and recyclable material [transformation]
42
Technical research; Project studies (Technical -); Studies (Technical project -); Engineering; Research and development for others; Research in the field of environmental protection; Construction drafting; Drawing (engineering -); Bacteriological research; Biological research; Architectural consultation