Material selection is the process of choosing the right materials for a specific application or project. This involves considering factors such as strength, weight, cost, and durability. Engineers and designers evaluate various materials, including metals, plastics, and composites, to determine which best meets the requirements of the product or structure. The selection process often includes testing and analysis to ensure that the chosen material can withstand environmental conditions and perform as intended. Tools like material property charts and computer-aided design (CAD) software can assist in making informed decisions, ultimately leading to better performance and efficiency in the final product.