Example: biology
CEMENT Material - Lafarge
Trace constituents Portland cement is made largely from limestone (calcium carbonate) and other materials mined from the earth and is processed using heat provided by fossil fuels. As a result, trace amounts of naturally occurring, potentially harmful chemicals might be detected in the cement during chemical analysis.
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: