39
Water distribution and supply; Supply [transport] of water for agricultural use; Public utilities in the nature of supplying water; Supply [transport] of water for industrial use
40
Water treatment and purification; Industrial waste water treatment and purification; Soil, waste or water treatment services [environmental remediation services]; Water treating; Regeneration of water; Demineralisation of water; Desalination of water; Water pollution control; Water purification
42
Research in the field of environmental conservation; Environmental consultancy services; Scientific and technological services, as well as related research and design services, in relation to the following fields: Sustainability projects, environmental protection and water conservation; Research services and Development in relation to the following fields: Conservation of nature and the environment, management of smart cities, management of sustainable and smart agriculture and management of the full water cycle; Consultancy in relation to the following fields: Conservation of nature and the environment, management of smart cities and management of the full water cycle; technical information, in relation to the following fields: Environmental protection; Design and development of regenerative energy generation systems; Technical design and planning of pipelines for gas, water and waste water; Environmental monitoring services; Environmental assessment services; Environmental hazard assessment; Technical consulting in the field of environmental engineering; Consultation in environment protection; Environmental monitoring of waste storage areas; Environmental testing services to detect contaminants in water; Conducting sampling and analysis services to check for contamination; Technical design services relating to water supply installations
44
Reforestation services; Agriculture, aquaculture, horticulture and forestry services; Advisory and consultancy services relating to the use of non-chemical treatments for sustainable agriculture and horticulture