Tube

A tube, in a general sense, refers to a cylindrical structure typically made of rubber, elastomeric, or plastic materials. Tubes come in various sizes and are used for a wide range of applications. In the context of everyday life, they are commonly found in products like bicycle inner tubes, automotive tires, and inflatable water sports equipment. These tubes are designed to hold air, providing cushioning, support, and pressure to these products, ensuring their proper function. Tubes can also refer to components in machinery, like pipes and conduits that transport liquids, gases, or other materials. Their versatility and wide range of applications make tubes a fundamental and indispensable part of modern life.