4.1. - Equipment for detection and localization of water network defects
5.1. - Metal water piping
6.2. - Metal conduits
12.5. - Pipe replacement
12.6. - Pipe driving
12.7. - Other trenchless technologies
14.1. - Designing for water management and sewage sector
14.8. - Consultancy in water management sector
15.7. - Sale and import of equipment for water management and sewage sector
16.3. - Water and sewer pipe systems in industry