Fig. 1
From: A case of airway aluminosis with likely secondary pleuroparenchymal fibroelastosis
The patient was engaged in shaving ring-shaped aluminum material, such as the upper 2 images, and making camera parts, like the one below (a), with a curving machine (b). Workers are required to pour cutting oil on the material while cutting, as in (b), but our patient failed to do so, suggesting he might have inhaled a larger amount of aluminum-containing fumes than other worker in this occupation