tubes

tubes are long, hollow, usually cylindrical, structural, or functional components made of rigid material, like pipes, or out of flexible material, like hoses.

They're often used as connectors, like water pipes, but can also be used as structural elements, like columns.

tubes are everywhere! In fact, you're probably reading this on a tube right now. (A tube of a screen, that is.)

Types of Tubes

There are many types of tubes:

Learn more about straight tubes