👉 In the context of engineering and materials science, "liners" are typically used to describe a material that is used as a component in an assembly or construction process. Liners are often fabricated from a variety of materials such as metals, plastics, or composite materials, depending on their intended use. A liner is designed to provide structural support to the components it serves by providing a rigid and stable surface for the components to work on. In addition to supporting the components, liners can also be used
