The back-up respirator switching point (PPRR) is designed for storage of back-up respirators and elimination of hazardous factors of the mine environment during switching of mine rescuers to back-up respirators in emergency situations.
The PPRR is designed for application at coal mining companies.
It can also be used in other industries where there is a risk of emergency situations with formation of an atmosphere not suitable for breathing.
The PPRR is a metal structure.