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Description:21 31 48 00 Connecticut. Invention, prototype of a new product to cover roads, asphalts him. Close-up tar which pours of a lorry on the road. Workers display him carefully, the departments of civil engineering. They flatten the tar with rake. Car drives above because sandbank quickly. Very waterproof. Car runs in forest it brakes net, crushes to prove that the asphalt is resistant and does not make slide tires, safety.
