Dust explosions occur when fine particles, such as those from grain, coal, or wood, become suspended in the air and are ignited by a spark or heat source. The rapid combustion of these particles creates a sudden increase in pressure and temperature, leading to an explosive force. These explosions can happen in various environments, including factories, silos, and mines. Proper safety measures, such as dust control and ventilation, are essential to prevent the accumulation of dust and reduce the risk of such hazardous events.