Title : Optionnel

Text : Coal workers' pneumoconiosis (CWP), commonly known as "black lung disease," occurs when coal dust is inhaled. Over time, continued exposure to the coal dust causes scarring in the lungs, impairing your ability to breathe. Considered an occupational lung disease, it is most common among coal miners. Chaque paragraphe sera un test.

Save test : Utilisez cette option si vous souhaitez partager ce test de dactylographie (uniquement pour les utilisateurs authentifiés).