Glassmaking
Pottery making
Quarry and stone work
"Angel Wing" Fibrosis at apices
"Eggshell" Calcification in hilar nodes
Boiler work
Small rounded nodules
Conglomerate fibrotic masses, bullae
Progressive Reticulonodular Fibrosis
Mining
Increased risk of TB, bacterial, fungal infections (watch out for Upper lobe infiltrates)
Decreased lung volumes
Progressive over years
Collagen vascular disease (scleroderma) may be present
Foundry work
Milling
Sandblasting
