7 MACHINE PARTS, NAMELY, LINEAR-MOTION SLIDES AND LINEAR-MOTION STAGES, FOR USE IN FACILITATING AND GUIDING LINEAR MOTION IN MACHINING APPLICATIONS, MANUFACTURING APPLICATIONS, INDUSTRIAL APPLICATIONS, FOOD PROCESSING APPLICATIONS, PACKAGING APPLICATIONS, COMMERCIAL APPLICATIONS, AEROSPACE APPLICATIONS, SCIENTIFIC EQUIPMENT APPLICATIONS, OIL RIG APPLICATIONS, PHOTO AND IMAGE PROCESSING APPLICATIONS, AND OTHER POWERED LINEAR-MOTION APPLICATIONS