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a_chen
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The product is designed in the way that the portable bridge can be expand from a folded mode to a bridge length takes up to across a river. It expanded in a scissor-like (90° turned scissor lift) action, then slides out the decks with end-to-end to provide platforms for vehicles.

This design is “Made of aluminum alloy and steel, it’s lightweight and easy to transport, yet sturdy enough for cars to cross.” [1]

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a_chen

They worked with a social ecology that is consider closely related to federal government, by control and prevent the issues can assist government boost the employment rate and further with economy boost.

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This convention has instructed clear enough for the first responders (i.e. the involving states)  to get into action with any possible nuclear hazards reporting. For the technical professionals,  the main webpage of the convention documents has a related resources column that assist  them to gain relevant information with emergency responses via updated visualized data etc.

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a_chen
Annotation of

Since the article reported that this is the fourth edition of the design, most of the problems are solved during the refurbishment of product. So there are not many problems with the design as they tested with the publics. But they plan to make the bridge “stronger, longer, lighter, more compact and quicker to set up”.

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a_chen

This study has let the news agencies to have a new term to report with the articles that relevant to public health and mass imprisonment when introducing contents to the general publics. The data and observations been made within the epidemiological study has assisted the new articles to explain the incarcerated group in a more colloquial and easy understanding way.

“When public health authorities talk about an epidemic, they are referring to a disease that can spread rapidly throughout a population, like the flu or tuberculosis.

But researchers are increasingly finding the term useful in understanding another destructive, and distinctly American, phenomenon — mass incarceration.” [http://www.nytimes.com/2014/11/27/opinion/mass-imprisonment-and-public-…]

“Since the 1970s, the correctional population in the US has ballooned by 700 percent.  This phenomenon is often referred to as mass incarceration.” [http://www.philly.com/philly/blogs/public_health/Mass-Incarceration-A-P…]

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