도로에 방호벽이 없으면 어떻게 될까...자동화 방호벽 설치 장비 VIDEO: How modern road barriers keep our roads safe

 

How modern road barriers keep our roads safe

via youtube

Driving down the massive modern highways of today would be far more dangerous if there weren’t barriers on the side of the roadway.

Have you ever wondered how road barriers keep cars and pedestrians safe? What would happen if we had no road barriers on our roads?

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