Movement Disorders
Stereotypies
Mar. 08, 2024
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Matte tapping
Matte tapping in the American Smelting & Refining Co.'s plant at Murray, Utah. "This is on the other side of the same furnace. It is easy to see that though the hooding protection Is adequate at times a puff of wind could easily scatter the fumes from this matte kettle. These hoods are, however, better than those in any of the other smelters that were visited except those at Midvale." (Source: Hamilton A. Lead poisoning in the smelting and refining of lead. Industrial Accidents and Hygiene Series No. 4. Bulletin of the U.S. Bureau of Labor Statistics 1914a;141:1-97. Public domain.)