27
Sep
Machine tools are relatively new.The machine tools in use today are the products of the commercial Revolution, which started a bit over 200 years ago.Prior to the commercial Revolution, the assorted items that individuals wore or used were made by hand tools that for many years had changed little in their basic design. It was not until machine tools replaced hand tools that the lifetime of abundance we've come to grasp and revel in began to evolve. Machine power was substituted for muscle power to chop, shape, and form metal products. Drilling, turning, milling, planing, grinding, and metal forming, the essential machine processes in use today, evolved from hand tools. Prior to war 11, machine tools played a really important part in making…