... efficiency 3.vacuum adsorption countertops Performance feature1.GF-6090 is designed specially for redwood,classical furniture,three- ... to its memory and preserve function, also part engraving.Application area1.Woodwork linehardwood sculptures, mahogany furniture and ... linesThe plane carving of Human figures, handwriting engraving, seals and so on,copper, Aluminum, Iron machined mini engraving machine