Aiming to set down a box with a nonadjacent, nonexistent, or occupied space (This implies the robot may not drop a box on the fall zone while the robotic is occupying the fall zone) This construction is applied to prepare the operate into more compact workable chunks and also the https://webnowmedia.com/story12590649/group-project%E5%86%99%E4%BD%9C-an-overview