This system allows sheet working on both sides , the sheets are loaded from a storehouse positioned to its side . The automatic work cycle is composed : - piece load from the storehouse - piece clamp by the innovative exp......This system allows sheet working on both sides , the sheets are loaded from a storehouse positioned to its side . The automatic work cycle is composed : - piece load from the storehouse - piece clamp by the innovative expansion compartments system - working on the first side - 180° piece rotation - Working on second side - Finished piece download by a slide on the machine backside.