From an early stage, the theory pursued was that of the dust explosion.
In February, 1946 a coal mine near the city suffered a dust explosion that killed 418 miners.
The extractor also reduces the risk of a dust explosion and facilitates a healthier working environment.
A mere dust explosion in a silo of ancient grain: gone.
There are four necessary conditions for a dust explosion or deflagration:
There is also the possibility of a dust explosion, although none are known to have occurred yet during a rescue attempt.
A few more droplets descended from the sky to hit the car or make little dust explosions on the road.
Other theories included a dust explosion and a build-up of methane beneath the building.
Collectors designed to reduce airborne dust account for more than 40 percent of all dust explosions.
There was a further explosion (probably a dust explosion) which blew him over.