breakwater, groin, groyne, mole, bulwark, seawall, jetty
['tank, army tank, armored combat vehicle, armoured combat vehicle', 'shield, buckler', 'red-backed sandpiper, dunlin, Erolia alpina', 'chain mail, ring mail, mail, chain armor, chain armour, ring armor, ring armour', 'fire screen, fireguard', 'crane2', 'ox']