What are those water rings called?
A lifebuoy or life ring, among many other names (see § Other names), is a life-saving buoy designed to be thrown to a person in water to provide buoyancy and prevent drowning. Some modern lifebuoys are fitted with one or more seawater-activated lights to aid rescue at night. Diameter Lifebuoy 600 This lightweight design makes it easy to carry across distances, although we do recommend siting the rings at regular intervals near bodies of water to reduce response time. Thanks to its smaller structure, the 24” lifebuoy can cover a large throwing distance of up to 10 – 15 metres.
What is a water ring called?
A lifebuoy, ring buoy, lifering, lifesaver, life donut, life preserver or lifebelt, also known as a kisby ring or perry buoy, is a life saving buoy designed to be thrown to a person in the water, to provide buoyancy and prevent drowning. A swim ring (also known as a swimming ring, swim tube, rubber ring, water donut, floatie, inner tube, or, in the United States, a lifesaver) is a toroid-shaped (hence the name ring or doughnut) inflatable water toy.