The material rotates on a spindle. A grinding or carving tool can make the shape mainly because it turns. CNC Lathes are used to make symmetrical objects like spheres, cones, or cylinders. Several CNC machines are multi-purpose and combine every type of cutting. The illustrations were very interesting, weren’t they? https://lanefsere.jts-blog.com/38029520/not-known-details-about-export-of-industrial-machines