Chemical reaction on a black background between ammonia and hydrogen chloride. Smoke without fire. The test tube is close-up
An unconscious man sniffs ammonia
Harmful emissions of metallurgical and chemical plants in Cherepovets, Russia, 4k
A paramedic uses a piece of cotton wool with ammonia to revive a lying man in an ambulance.
Harmful emissions of metallurgical and chemical plants in Cherepovets, Russia, 4k
Harmful emissions of metallurgical and chemical plants in Cherepovets, Russia, 4k
Kazan, Russia, 8 april 2017, Palace of single combats "Ak Bars" Kids karate competition WKF -the teenager crouched in pain after the fight, the doctor gives him smelling salts, slow-motion
Harmful emissions of metallurgical and chemical plants in Cherepovets, Russia, 4k
Harmful emissions of metallurgical and chemical plants in Cherepovets, Russia, 4k
