1
Chemicals for use in the treatment of water; water treatment chemicals; water treatment substances; water treatment preparations; chemical preparations for use in industry; waste treatment chemicals; chemicals for the suppression of the odour of water; carbon; carbon rods; carbon for industrial purposes; chemicals for the control of environmental pollution; chemical preparations for use as additive to fuels for combatting pollution; sewerage water treatment chemicals; chemical products for the treatment of sewage; chemicals for use in the treatment of waste water; chemicals for use in the purification of water; chemical agents for carbon dioxide sequestration
7
Cement mixers [machines]; concrete mixers; calcining machines for chemical processing; agitators for chemical processing; electromechanical machines for the chemical industry; waste disposals; electric power generators using waste heat; electric current generators; sintering machines for chemical processing
9
Anaerobic chambers for laboratory or scientific use; air pollution measuring devices; air quality sensors; functional generators
11
Water treatment apparatus for water purification; water treatment filters; waste water treatment tanks; sewage treatment plants; water softeners; water purification tanks; water sterilizers; waste water purification units; reactors being industrial chemical installations; installations for chemical processing; waste disposal incinerators; gas heat generators; heat pumps for energy processing; heat generating apparatus; catalytic oxidizers for industrial air pollution control; thermal oxidizers for industrial air pollution control; sewage disposal plants; sewage purification installations; wastewater treatment installations
19
Cement; Furnaces (Cement for-)
40
Water treatment; water treatment and purification; water treatment services; water purification; regeneration of water; waste incineration; incineration and destruction of waste; chemical recycling of waste products; treatment of chemical waste; treatment of industrial waste to sequester carbon; water pollution control; treatment of waste materials in the field of environmental pollution control; air and water conditioning and purification; purification of industrial waste water; solvent purification; reclamation of solvents; recycling of solvents; sewage treatment services; treatment of waste water; generation of electrical power using carbon sequestration
42
Chemical engineering; sampling for pollution; environmental monitoring of waste treatment areas; advisory services relating to pollution control