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a_chen
Annotation of

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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Diego Martin

The participation of the EPA in the improvement of air pollution in Newark has a great relevance because it is an organization that has the ability to invest money in technologies that allow to have a greater knowledge of the levels of air pollution. This allows you to prevent problems and have more information to fight them better.

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a_chen

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”.