Chemical machining will involve dipping a workpiece right into a tank that contains a chemical solution (etchant). The etchant used for this method is usually a mixture of sturdy chemical acids that react to metal—dipping the metal into your etchant ends in the uniform dissolution of metal from the workpiece. https://garrettvxxyw.newsbloger.com/27076240/not-known-details-about-cnc-wood-router