11
Mobile and stationary sewage treatment plants for the cleaning, processing and disinfection of wastewater, liquids and other substances, for example sludge, with ultrasound-based procedures
36
Leasing, namely, providing lease financing of mobile and stationary plants for the cleaning, processing and disinfection of wastewater, liquids and other substances, for example, sludge, with ultrasound-based procedures
37
Installation, reparation and maintenance of mobile and stationary plants for the cleaning, processing and disinfection of wastewater, liquids and other substances, including sludge, with ultrasound-based procedures; renting of mobile and stationary plants for the cleaning, processing and disinfection of wastewater, liquids and other substances, for example sludge, with ultrasound-based procedures
40
Treatment, cleaning, processing and disinfection of wastewater, liquids and other substances, including sludge, with ultrasound-based procedures
42
Engineering service providing in the field of mobile and stationary plants for the cleaning, processing and disinfection of wastewater, liquids and other substances, including sludge, with ultrasound-based procedures; procurement of technical advice, namely, technical consulting in the field of solid and hazardous waste management on operation of mobile and stationary plants for the cleaning, processing and disinfection of wastewater, liquids and other substances, including sludge, with ultrasound-based procedures by procurement of technical know-how