During the operation, a small piece of your skull is cut away so the surgeon can access the cause of the bleeding. They can then repair any damaged blood vessels and ensure there are no blood clots that could restrict the flow of blood in your brain. If a blood clot has formed, it may be removed.
Coal workers' pneumoconiosis (CWP), also known as black lung disease or black lung, is caused by long exposure to coal dust. It is common in coal miners and others who work with coal.oal workers' pneumoconiosis (CWP), also known as black lung disease or black lung, is caused by long exposure to coal dust. It is common in coal miners and others who work with coal.
coal mine dust. â¢ The history of diagnosing black lung, also known in the medical. community as pneumoconiosis. â¢ The history of the efforts to provide compensation for miners with. pneumoconiosis. â¢ The statutory/regulatory framework of the federal black lung. benefits program. â¢ A summary of recent federal research regarding âHot Spotsâ in.