Dangerous?

I was reading just the other day about how coffee creamers can make great fireballs if sprayed into the air and ignited. Amateur movie makers have learned to use them for that purpose. The explosion is pretty and smells good, so they say. (Source: Wikipedia).
Ignition for a grain dust explosion, however, can be static electricity, a dropped tool, or any one of a number of possible unexpected sources. One of the jobs I had while in the seminary involved such dust and was probably the most dangerous job I ever had, although I did not think of it in that way at the time.
This job was in a granary-feed store. Whenever we put grain in the grinder, huge amounts of grain dust were created. We closed the door to the adjoining store to prevent the dust from entering it, but the closed door also would have provided a little safety for the store in case the grain dust exploded.
Many were the days when I would grind a lot of grain of one kind or another, filling the mill area of the place with dust so thick you could not see anything but dust. Those may have been potentially dangerous moments. Workers in big granaries are cautioned to follow all safety procedures to prevent injury or death from explosions of the dust. Every year people die in these kinds of accidents. Major incidents make the news, but most small events are unreported.
I was 26 years old when I worked there, and some people of that age don’t believe anything can harm them. I was typical of those, I guess. I wasn’t scared, just tired at day’s end. And covered with grain dust.