 On the other hand, some mines are so dry that they are entirely devoid of water, and this dryness causes the workmen even greater harm, for the dust which is stirred and beaten up by digging penetrates into the windpipe and lungs, and produces difficulty...  Mineral Technology and Output Per Man Studies - Page 150by National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.) - 1937Full view - About this book
 | Charles-Edward Amory Winslow - Ventilation - 1926 - 208 pages
...and "is of pale wan complexion." Agricola in his book on metallurgy (published in 1556) states that "some mines are so dry that they are entirely devoid of water, and this dryness causes the workman even greater harm, for the dust which is stirred and beaten up by digging penetrates into the... | |
 | Charities - 1925 - 674 pages
..."is of pale, wan complexion." Agrícola declares in his book on metallurgy (published in 1556) that "some mines are so dry that they are entirely devoid of water, and this dryness causes the workman even greater harm, for the dust which is stirred and beaten up by digging penetrates into the... | |
 | Otis E. Young, Jr., Otis Young, Robert Lenon - Technology & Engineering - 1977 - 372 pages
...that they did not have the peculiar ping-pong-ball pathology which 4 "This dryness causes the workers even greater harm, for the dust which is stirred and beaten up by digging penetrates into the windpipe and lungs, and produces difficulty in breathing. ... If the dust has corrosive qualities,... | |
 | Martin B. Stern, Zack Mansdorf - Technology & Engineering - 1998 - 860 pages
...the effects of working in mines and the short life expectancy of miners in the Carpathian Mountains: ...some mines are so dry that they are entirely devoid...workmen even greater harm, for the dust which is stirred up by digging, penetrates into the windpipe and lungs, and produces difficulty in breathing and the... | |
 | Bernstein David - Medical - 1999 - 772 pages
...1556 (1). He described the possible harmful effects of metallic dust as follows: "On the other hand, some mines are so dry that they are entirely devoid of water and this dryness causeth the workmen even greater harm, for the dust, which is stirred and beaten up by digging, penetrates... | |
 | Institution of Mining and Metallurgy (Great Britain) - Metallurgy - 1904 - 816 pages
...premature death '. He advised the use of respirators and efficient ventilation. Thus: 'On the other hand, some mines are so dry that they are entirely devoid...which is stirred and beaten up by digging, penetrates into the windpipe and lungs and produces difficulty in breathing and the disease the Greeks named "... | |
 | Mines and mineral resources - 1952 - 1136 pages
...»., C^jf **•' , JJ,. Some mines are BO dry that they are entirely devoid of vater, and this drynese causes the workmen even greater harm, for the dust...which Is stirred and beaten up by digging penetrates into the windpipe and lungs, and produces difficulty in breathing, and the disease which the Greeks... | |
 | Industrial hygiene - 1921 - 902 pages
...follow this advice suffers much ill-health, especially when he reaches old age. On the other hand, some mines are so dry that they are entirely devoid of water, and this dryness causes the workman even greater harm, for the dust which is stirred and beaten up by digging penetrates into the... | |
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