Implementing quadrangular hollow blocks on breakwaters is a common method for wave mitigation and ocean disaster prevention. In order to improve the wave-damping performance of conventional quadrangular hollow blocks. a new quadrangular hollow block is proposed. In this study. https://www.bekindtopets.com/flash-offer-Freetress-Fullcap-Drawstring-Wig-CRETA-GIRL-clearance/