This tutorial demonstrates how to create a simple underwater world in Kodu Game Lab.In this tutorial we add a fish to move around in the water.1  Education.his tutorial demonstrates how to create a simple underwater world in Kodu Game Lab.
An O-ring is a round ring that is used as a gasket for sealing a connection. O-rings are typically constructed out of polyurethane, silicone, neoprene, nitrile rubber or fluorocarbon. These rings are commonly used in mechanical applications, such as pipe connections, and help to ensure a tight seal between two objects.
An engagement ring is a ring indicating that the person wearing it is engaged to be married, especially in Western cultures. In Western countries, engagement rings are worn mostly by women, and rings can feature diamonds or other gemstones. In some other cultures men and women wear matching rings. In some cultures, engagement rings are also used as wedding rings.