SEARCH Articles Figures Tables Nutter LVG long, SVG short, and MVG tray slots. MVG tray slots are always placed in a triangular pattern. Used by permission, Nutter Engineering, Harsco Corp. [Publishers Imprint] See Also: Nutter LVG long, SVG short, and MVG tray slots. MVG tray slots are always placed in a triangular pattern. Used by permission, Nutter Engineering, Harsco Corp.