crystalline silica वाक्य

उदाहरण वाक्य

1. Chronic silicosis is the most common occurring after 10 20 years of low to moderate exposure of respirable crystalline silica.
2. Brief or casual exposure to low levels of crystalline silica dust are said to not produce clinically significant lung disease.
3. Chronic health effects from volcanic ash fall are possible, as exposure to free crystalline silica is known to cause silicosis.
4. Non-fibrous particulate materials that cause cancer include powdered metallic cobalt and nickel, and crystalline silica ( quartz, cristobalite, and tridymite ).
5. This effect can create an occupational hazard for people working with sandblasting equipment, products that contain powdered crystalline silica, and so on.
6. Using a jackhammer to break up concrete pavement may expose the operator to hazardous dust containing respirable crystalline silica ( RCS ).
7. A large number of the workers eventually died from silicosis, a form of occupational lung disease caused by inhalation of crystalline silica dust.
8. Instead they contain crystalline silica, which the International Agency for Research on Cancer has classified as being carcinogenic to humans ( Class 1 ).
9. The powder can cause irritation or, with severe exposure, lung cancer and can contain some hazardous components such as crystalline silica and hexavalent chromium.
10. Nevertheless, they may also contain naturally occurring crystalline silica, or silica dust, which in California is treated as a known carcinogen under Proposition 65.