Delivery, installation, service
- electronic security systems
- fire alarm
- telecommunication technology and networks
- telephone exchanges
- telecommunications material
Service
- telecommunications technology
- telephone switchboard troubleshooting
Divorces
- computer networks
- telecommunications
Laying out telecommunication cables and other metallic networks, searching for defects and their orientation.
Earthwork
- mechanical excavations and landscaping
- pressures of roads and paved surfaces
- cutting asphalt and concrete surfaces
International road freight transport