If you've got boxes full of lead, there's not much to be done other than redesign everything from the start. But for a box that's moderately heavy - you use mo

If you've got boxes full of lead, there's not much to be done other than redesign everything from the start. But for a box that's moderately heavy - you use more suction cups, increase the vacuum, change the arm path to make the motion smoother, use a coated cardboard to improve the suction cup seal, or other tricks.