Chemical reaction on a black background between ammonia and hydrogen chloride. Smoke without fire. The test tube is close-up
A paramedic uses a piece of cotton wool with ammonia to revive a lying man in an ambulance.
An unconscious man sniffs ammonia
cleaning a burnt pot
Harmful emissions of metallurgical and chemical plants in Cherepovets, Russia, 4k
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
