Guard rails, toe boards and various other similar barriers should be supplied to avoid a person or any product or item falling from a workplace. http://www.gross-gruppe.com/gross-in-aktion/main.php?g2_view=core.UserAdmin&g2_subView=core.UserLogin&g2_return=https%3A%2F%2Fwww.cheaperseeker.com%2Fu%2Fselfbronze3