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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]

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.

The film has not included the patient’s viewpoint or the locals’ viewpoints within this kind of situations. This might due to the communication difficulties with the language. If the audience viewed the content with locals’ viewpoint might benefit from knowing the cultural practices and plan for the future interaction more carefully.