Fecha de publicación: 05/01/2023 Fuente: Wipo Milk or dairy products Disclosed herein is a screening system. The system may comprise a fixed panel, a slave panel disposed adjacent the fixed panel and a hand operated master panel disposed adjacent to the slave panel. The panels are arranged in tandem formation when in a closed position and in stacked formation when in an open position. The system also includes a pully system configured to slide the slave panel between the open and closed positions.