Solar battery of a navigation sign manufactured at Ryazan Metal Ceramics Plant, a piece of navigation equipment of the Kaliningrad Sea Canal providing boat traffic safety.
- Categories: Economy, Business & Finance
- Location: Kaliningrad, Russia
- Event date: 12.07.2011
- Date published: 12.07.2011
- Author: Igor Zarembo
- Credit: Sputnik
- Source: Sputnik
- Original: Digital
- Media: JPEG, 2592x3666px, 1.1Mb