Materials selection is the process of choosing the appropriate materials for a specific application or product. This involves considering factors such as strength, weight, cost, and environmental impact. Engineers and designers evaluate various materials, including metals, plastics, and composites, to determine which best meets the requirements of the project. The selection process often includes testing and analysis to ensure that the chosen material will perform well under expected conditions. Tools like material property charts and computer-aided design (CAD) software can assist in making informed decisions. Ultimately, effective materials selection contributes to the overall success and sustainability of a product.