When building or manufacturing something, a variety of methods are used to join the different parts together. The choice depends on the materials and the intended use of the product. In this film, we go through the most common techniques used for joining. For example, you'll learn that nails and screws are often used to fasten materials together in construction, and that riveting is an old technique that involves making holes in two materials and then securing them with a rivet. The film also demonstrates how materials can be fused together through welding, and explains the difference between welding and soldering. Finally, you'll see various ways to use gluing to join materials.