This article discusses how the mobile phone in your hand has evolved from aluminium alloy to titanium alloy; for consumers, the phrase "changing the casing" is merely a line in the product description. But for welding workshops,

As is well known, the selection of process parameters is of paramount importance when using CAM software for CNC programming; not only does it have a significant impact on the quality of the workpiece, but it can also determine the machine tool’s performance and the smooth running of safe production operations.

Manufacturing is the foundation of national strength, please pay attention to “metal processing” (mw1950pub).

Polishing of sanitary stainless steel tubes is a finishing technique designed to improve the finish and smoothness of the tube surface to achieve the desired surface quality. The polishing process usually involves “wet” polishing using fine micron or submicron abrasive particles in combination with a liquid.