Word: dusts
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Dates: during 1970-1979
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...Black lungs, fall of coal dust...
...coal dust and grime...
...Public Health Service didn't begin research on black lung until 1963. British doctors had identified the disease as far back as 1813. It wasn't that the disease was declining thanks to automation. On the contrary, the disease was on the increase. Automated machinery creates much more coal dust than picks and shovels ever did, and coal machinery operators breathe more dust on every shift than men working half a century ago breathed in a week...
...could say there weren't ways to prevent or control the disease. The British began paying compensation for black lung in 1943, and ten years later, faced with staggering compensation payments, began putting dust-control techniques into effect, he result was quantifiable: 4,000 British miners suffering from black lung in 195?: 740 in 1967. That works out to ?.8 cases of black lung for every 1,000 miners...
...huge meteor impact that created the Sea of Rains some 300 miles away. Their most unusual exercise will probably be Haise's "footprint caper," during which he will plant his boot in a pile of soil and photograph the imprint. Purpose: to study the clinging power of moon dust...