Land decontamination; decontamination of hazardous materials; decontamination of nuclear waste; chemical decontamination of nuclear power plants; decontamination of irradiated areas; treatment and disposal of radioactive waste; operating and technical management of infrastructures, facilities, apparatus and equipment used for decontamination of land, hazardous materials, nuclear waste, chemical decontamination of nuclear power plants, irradiated areas and radioactive waste; operating and tech...