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The Kid Should See This

A soapless tunnel washing truck in Switzerland

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How many giant brushes can you fit on the back of a truck? This promo video from Swiss road works company Colas Suisse features their ‘eco-friendly’ tunnel washing truck, a soapless vehicle that uses water pressure and scrubbing to clean tunnel walls and ceilings. The rapidly rotating brushes bend and crane to different angles and heights.

Next: A garbage truck with a giant claw, how to replace railway ties without pulling up the rails, and the truck that easily flips 20,000lbs of cotton.

via Boing Boing.

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