The Luch (Ray) miners' helmet and airtight goggles, invented at the State Makeyev Research & Development Institute for Safe Mining Industry Operations.
- Categories: Labour, Science & Technology, Economy, Business & Finance
- Location: Donetsk region, Ukraine
- Event date: 11.06.1979
- Date published: 14.03.2019
- Author: Vasiliy Litosh
- Credit: Sputnik
- Original: 79-7212, 6x9 film
- Media: JPEG, 3543x3576px, 3.8Mb