What is another name for heavy coal dust?

The term commonly used to refer to heavy coal dust is "black dust." This name originates from the dark color of coal, which is a result of its carbon content. In environments where coal is mined or handled, the accumulation of this dust can be significant and pose health risks to workers due to inhalation. Understanding the terminology surrounding coal dust is important for recognizing safety standards and health regulations in coal mining operations. This knowledge helps in implementing proper dust control measures to ensure the safety and well-being of mine workers.