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fishki.net Incredibly Clever System Projects Giant Stop Sign on Water To Stop Cars in Emergency от Marinara за 22 may 2013

Incredibly Clever System Projects Giant Stop Sign on Water To Stop Cars in Emergency от Marinara за 22 may 2013 (3 photo + 1 video)

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The Softstop Barrier System projects an enormous image of a stop sign across a roadway in an emergency. The system deploys in less than three seconds, releasing a curtain of water on which the stop sign is projected. It is currently used at Sydney Harbour Tunnel to prevent oversize trucks from entering and damaging the tunnel.

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