Memory Game MachinesOnline version Identify machines by Gilberto Marquez drill press Uses a rotating abrasive wheel to change the shape or dimensions of a hard, usually metallic, body. saw Device for producing holes in hard surfaces grinder Changes the size or shape of a piece of material, usually sheet metal, by applying pressure to a die in which the workpiece is held. Technique used for joining metallic parts, usually through the application of heat. Tool for cutting solid materials to prescribed lenghts or shapes. Most of them take the form of a thin metal strip or disk with teeth. punch press milling lathe Machining process of using rotary cutters to remove material from a workpiece by advancing or feeding the cutter into the workpiece at a certain direction. belt sander welding Machine used for smoothing, polishing or cleaning a surface, as of wood, plastic or metal. Shapes pieces of wood or metal by holding and turning them against a fixed cutting tool