Machine tool builders started making CNC lathes with backworking spindles. This allowed the back side of a part to be completed on one machine. Some builders began making true opposing twin spindles ...

There are a variety of machine tools available to use in a workshop. You should know what they are and what they are used for.

How to Make a Powerful Miniature Cannon - diy Guide - Learn to build a functional diy miniature cannon right in your workshop ...