Machine tools and any combination thereof, for removing (or cutting) metals, ceramics or ‘composites’, which, according to the manufacturer's technical specification, can be equipped with electronic devices for ‘numerical control’: (a) Machine tools for grinding having any of the following: 1. Three or more axes which can be coordinated simultaneously for ‘contouring control’ and a ‘unidirectional positioning repeatability’ equal to or less (better) than 1,1 μm along one or more linear axis; or 2. Five or more axes which can be coordinated simultaneously for ‘contouring control’; (b) Machine tools for removing metals, ceramics or ‘composites’, having all of the following: 1. Removing material by means of any of the following: a. Water or other liquid jets, including those employing abrasive additives; b. Electron beam; or c. ‘Laser’ beam; and 2. At least two rotary axes that can be coordinated simultaneously for ‘contouring control’.