Also known as: テトラポッド
A concrete Wave Breaker, shaped like a huge caltrop or jack. The edges are typically rounded, but don't have to be. They're used in large numbers in Breakwaters, Seawalls, etc. to protect against beach erosion.
Also known as: テトラポッド
A concrete Wave Breaker, shaped like a huge caltrop or jack. The edges are typically rounded, but don't have to be. They're used in large numbers in Breakwaters, Seawalls, etc. to protect against beach erosion.
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