6
Buildings, transportable, of metal, applied to the wastewater, recycling, construction and demolition waste industry
37
Construction services; Repair services in the field of the implementation of technical projects relating to the reuse and processing of water, waste and energy; Installation work in the field of the implementation of technical projects relating to the reuse and processing of water, waste and energy; Repair and maintenance of industrial and machine installations; Constrution, installation and maintenance of water purification installations; Installation services, namely the laying of piping
40
Water treatment and water purification services; Water recycling; Recycling and treatment of water, including the reuse thereof; Rental of water processing installations; Sewerage treatment services; Treatment of waste materials, including conversion for re-use, recycling and processing of waste materials; Treatment of waste; Recycling services; Processing of manures (waste treatment); Water purification; Processing and recycling of waste including paper, cardboard, glass, rubble and wood; Technical consultancy in connection with the aforesaid services
42
Scientific and technological consultancy and information relating construction, repair services in the field of the implementation of technical projects relating to water and energy reuse and processing, the valorisation of residual flows, installation services in the field of the implementation of technical projects relating to water and energy reuse and processing, the repair and maintenance of industrial and machinery installations, the construction, installation and maintenance of water purification plants; Scientific and technological consultancy and information relating to installation services, namely the laying of piping, water treatment and purification, water recycling, the recycling and treatment of water, including the reuse thereof, the treatment of wastewater; Scientific and technological consultancy and information relating to waste processing, including the reuse, recycling and treatment of waste, waste treatment, recycling, manure treatment [waste treatment], water purification, the processing and recycling of waste including paper, cardboard, glass, rubble and wood; Technological, industrial and scientific research and studies relating to recycling techniques for the reuse and treatment of water and the reuse of waste materials, and the providing of technical information