An inner tube is an inflatable torus that forms the interior of some pneumatic tires. The tube is inflated with a valve stem, and fits inside of the casing...

activity where an individual rides on top of an inner tube, either on water, snow, or through the air. The tubes themselves are also known as "donuts" or "biscuits"...

Inner tube water polo (ITWP) is a variant of water polo with the important difference that players are required to float in inflatable inner tubes. By...

pneumatic tire that does not require a separate inner tube. Unlike pneumatic tires which use a separate inner tube, tubeless tires have continuous ribs molded...

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...

for moving fluids Tube (structure), building designed to act like a hollow cylinder, cantilevered perpendicular to the ground Inner tube, a component of...

long water slide where the rider sits directly on the slide, with an inner-tube around their upper body for safety. The longest multi-person water-coaster...

tires are clincher and have a bead that presses against the wheel rim. An inner tube provides the air pressure and the contact pressure between the bead and...

on high pressure bicycle inner tubes and is commonly used on tubeless setups. It consists of an outer valve stem and an inner valve body. A lock nut to...

condensing vapor, keeping the tube below the liquid's boiling point. The condensed liquid drips out of the lower end of the inner tube. The Liebig condenser can...