Sand casting Molding (Founding) 45 Metal castings 6 Rapid tooling 4 Automobiles 2 Cast-iron 2 Compressors 2 Computational fluid dynamics 2 Computer-aided design 2 Metal-work 2 Molding materials 2 Motors 2 Pistons and piston rings 2 Response surfaces (Statistics) 2 Aluminum 1 Copper alloys 1 Fire resistant materials 1 Mechanical properties 1 Rapid prototyping 1 Standards 1