Whether it's inhaled, swallowed, or, more rarely, absorbed through the skin (just by touching a product that contains lead), lead can act as a poison. Exposure to high lead levels in a short period of time is called acute toxicity. Exposure to small amounts of lead over a long period of time is called chronic toxicity.
Â© 2016 Gwen Dewar, Ph.D., all rights reserved. Spatial skills predict a young personâs achievement in science, technology, engineering, and mathematics. They are crucial for the mechanic, visual artist, architect, and surgeon. Yet traditional schooling does relatively little to foster the development of these abilities, and that's troubling.
Download source code. 1  The only book to address the topic of Oracle Spatial: any designer or developer making use of Oracle Spatial will want this book. 2  Authors can speak definitively: they are key players on the team that develops the Oracle Spatial feature set. Covers important updates to Oracle Spatial that are part of Oracle's upcoming release of Oracle Database 11g: readers of the first book need to learn about those updates and will want to upgrade.