Coalworker's pneumoconiosis
https://en.wikipedia.org/wiki/Coalworker%27s_pneumoconiosis
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Black lung is actually a set of conditions and until the 1950s its dangers were not well understood.
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1977 911S Targa 2.7L (CIS) Silver/Black
2012 Infiniti G37X Coupe (AWD) 3.7L Black on Black
1989 modified Scat II HP Hovercraft
George, Architect
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