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.
1 The vaginal ring is an effective method of birth control. 2  The ring is also used to treat irregular periods, menstrual cramps, or endometriosis. 3  The ring releases hormones to stop the ovaries from making eggs.  The ring is left in the vagina for 3 weeks at a time.