Final answer:
Coal workers' pneumoconiosis (CWP) or black lung disease is caused by prolonged exposure to coal dust which accumulates in the lungs, leading to severe health issues.
Step-by-step explanation:
A type of pneumoconiosis characterized by the deposit of coal dust in the lungs is coal workers' pneumoconiosis (CWP) or black lung disease. This condition is a direct result of prolonged exposure to coal dust, which leads to the accumulation of the dust in the lungs that cannot be removed by the body, causing inflammation, fibrosis, and potentially leading to tissue death (necrosis).
People exposed to coal dust, such as coal miners, are at risk of developing this occupational lung disease, which can cause coughing, shortness of breath, and if exposure continues, can result in severe health complications.