Vault Ring Kuunganidzwa uku kunotora kufemerwa kubva pachitubu chine matanho, chinozivikanwa se Kolam muKerala. Kurongwa kwemajometari nematanho akaenzana anochengeta mvura inoratidza uswa hwakasvibirira hwakapoteredza. Dhizaini iyi inoshandisa mitsara yakachena, ine simba inomonereka ichitenderedza dombo rinokosha rerabradorite rakatsetseka rine chimiro chesirinda. Iyi labradorite yakashandiswa pano kuratidza mvura.