4 EDGING AND BEVELLING MACHINES4.01 Complete edging lines4.09 Machines for corner grinding5 DRILLING5.01 Automatic drilling lines5.02 Multiple spindle drilling machines5.03 Drilling machines with opposite drilling heads6 ENGRAVING6.01 Straight-line engraving machines6.02 Machines for shape engraving6.03 CNC machining center for engraving6.04 Laser engraving systems6.05 Diamond tools for engraving