37
Installation and maintenance of systems for the treating of water and discharge streams, including surface aerators, bottom aerators, oxygenation and micro-oxygenation systems; Repair, maintenance, Dismantling and Purification, In connection with the following goods: Production tools, production chains, constructions and buildings in hostile environments, nuclear, industrial, chemical and aquatic environments; Repair, maintenance, dismantling and cleaning of production tools, production chains, constructions and buildings performed on ropes or using underwater means; Disinfecting; Underwater repair; industrial cleaning, In connection with the following goods: Production tools, production chains, constructions and buildings in hostile environments, nuclear, industrial, chemical and aquatic environments; de-construction services, In connection with the following goods: Production tools, production chains, constructions and buildings in hostile environments, nuclear, industrial, chemical and aquatic environments; Industrial maintenance, In connection with the following goods: Production tools, production chains, constructions in hostile environments, nuclear, industrial, chemical and aquatic environments; Disinfecting services, Sealing services, Insulation services In hostile environments, nuclear, industrial, chemical and aquatic environments; Structural, finishing and industrial works on production tools, production chains, constructions and buildings in hostile environments, nuclear, industrial, chemical and aquatic environments; Installation of security systems in hostile environments, nuclear, industrial, chemical and aquatic environments
40
Rental of electric, wind and photovoltaic power apparatus, namely machines for the treating of water, the aerating of water and discharge streams, the deodorising and depolluting of fresh water and salt water, and of liquid discharge streams