A facing machine is a mechanical tool used in metalworking industries to create smooth surfaces. There are several synonyms for facing machines, including lathe, milling machine, planer, and shaper. Lathes are used to create round objects, while milling machines are primarily used to shape metals. Planers are used for flat surfaces, while shapers are ideal for reshaping materials into desired shapes. Each of these machines has its own advantages and disadvantages, and choosing the right one for the job depends on the type, size, and shape of the metal workpiece. Regardless of the choice, these machines eliminate surface irregularities, ensuring precise and accurate results.