Metal-cutting is an essential process in different industries such as construction, manufacturing, and engineering. However, many synonyms can substitute the term metal-cutting, such as metalworking, machining, metal fabrication, and metal milling. Metalworking refers to any method that alters a metal's form, while machining uses cutting tools to remove unwanted material from metal. Metal fabrication is a process that transforms raw material into a finished product, and metal milling is a process that involves cutting a piece of metal to create a specific shape using a milling machine. Therefore, it is essential to choose the most appropriate synonym for metal-cutting, depending on the specific process and industry involved.