Lesson plan
Metalith
The Metalith is a prefabricated steel barrier and the name of the product division of Infrastructure Defense Technologies of Belvidere, Illinois, which manufactures the barrier. It is used in perimeter defense against explosive penetration and ramming. It has been deployed by the US Armed Forces in their 21st century wars in Iraq and Afghanistan. A related product from IDT is the Metalith flood control barrier, a system of prefabricated, interlocking aluminum barriers for flood defense, designed to hold ballast such as sand. Army Corps of Engineers tests have shown they can be assembled 20 times faster than sandbags and faster than any other tested flood control system, with relatively low seepage rates.
Article summary
The Metalith is a prefabricated steel barrier and the name of the product division of Infrastructure Defense Technologies of Belvidere, Illinois, which manufactures the barrier. It is used in perimeter defense against explosive penetration and ramming. It has been deployed by the US Armed Forces in their 21st century wars in Iraq and Afghanistan. A related product from IDT is the Metalith flood control barrier, a system of prefabricated, interlocking aluminum barriers for flood defense, designed to hold ballast such as sand. Army Corps of Engineers tests have shown they can be assembled 20 times faster than sandbags and faster than any other tested flood control system, with relatively low seepage rates.
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.