Treatment of waste, hazardous waste, toxic materials; treatment of materials using chemicals; recycling of waste and trash; recovery of zinc, zinc concentrates and other metal concentrates by means of treatment, processing, recycling and disposal of waste, hazardous waste and other materials with zinc and other metal content coming from industry; treatment, recycling and disposal of waste coming from galvanization and waste of cells and batteries; recovery of aluminum concentrates, melting sa...

Restoration, regeneration, recovery and reconditioning of dilapidated or contaminated land, buildings and installations, namely, excavation of materials and physical clean-up of exploration and drilling project locations to restore them to their original condition; maintenance of physical equipment systems, equipment, installations, devices and mechanisms of all kinds relating to the processing of waste and refuse; construction and repair of energy distribution networks, and of installation s...

Construction of water treatment, storage, and distribution facilities; construction of wastewater collection and treatment facilities; construction of wastewater reuse facilities; construction of brackish groundwater desalination facilities; construction of irrigation conveyance facilities; construction of seawater desalination facilities; construction of water supply and conservation facilities; and construction of advanced water treatment facilities