What risk is associated with dust accumulations near operating equipment?

Dust accumulations near operating equipment pose a significant fire hazard, particularly due to the potential formation of explosive mixtures. Many types of dust, such as those generated by wood, metal, or certain industrial processes, can become flammable when suspended in the air at the right concentration. If there is an ignition source nearby—such as a spark from the equipment or a hot surface—the dust can ignite, leading to a fire or even an explosion.

While electrical hazards from equipment failure, structural hazards, and mechanical hazards are valid concerns in various settings, they do not specifically relate to the direct danger posed by dust. The accumulation of dust specifically increases the risk of fire incidents in environments where combustible materials are present and equipment operates, making it essential to maintain cleanliness and proper ventilation to mitigate these risks.