A steel plant is an industrial complex engaged in such processes as casting, rolling or forging to make various steel materials. These plants are of great importance in steel production, which is a vital material for construction, motor vehicles and other forms of service industry. They are an important source of employment and provide economic support for the heavy industries entire range of steel products. Steel plants also contribute to progress in materials science and engineering, leading to the development of stronger, lighter more wearable steels at lower cost.