What's wrong with this picture? Leaving aside the fact that it may be toxic to breathe, the dust fouling the air in this space may be combustible, i.e., apt to catch fire and explode. If it is, in fact, combustible, heat from the machinery and lighting fixtures might be the ignition source that causes it to go off. The Moral: Certain dusts in the air and on the floors and surfaces of work areas can explode if they're exposed to heat, static electricity, friction or other ignition source. The 2 […]