... , plywood, steel panel) of screen availableA. frame: All frame work employs the steel frame / aluminum frameB. panel: steel, fabric, ... glass, melamine and any combination C.top furniture1. shape: " L", "T", "V ... ", "U", "W", "Y", "X", "P", cross, etc.2. material A. frame: All frame work employs the steel frame B. panel: ...