Certain hobbies that involve cutting stone or drilling without proper ventilation can pose a risk. Ceramics and glass manufacturing, where silica is a primary raw material.
Natural and Industrial Sources of Silica Behind Pneumonoultramicroscopicsilicovolcanoconiosis
These particles are so small—typically less than 10 micrometers in diameter, and often much smaller—that they evade the natural defense mechanisms of the respiratory system. For example, variations in the HLA-DR locus have been associated with increased risk.
The primary high-risk activities include: Mining and quarrying operations where rock is extracted and crushed. The body attempts to wall off the damage by laying down collagen, leading to the formation of scar tissue, or fibrosis.
Natural and Industrial Sources of Silica Exposure Leading to Pneumonoultramicroscopicsilicovolcanoconiosis
Foundry work, where silica sand is used as a molding material for casting metal. The term is a concatenation of Greek roots: "pneumo" (lung), "ultra" (beyond), "microscopic" (tiny), "silico" (silica), "volcano" (dust from volcanic rock), and "coniosis" (dust condition).
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