With limited space, width 1 m to create a vehicle to have a width of less than 1 m, and enough spin the back car. To return to the station to start the next material transport.
The area is defined by one meter wide it must build vehicles with a width of less than 1 m and enough for the spun car. To return to the station, one of the starting material to transport.
The limit 1 meters wide Must build a car to have a width of less than 1 meters. And sufficient for rotating the U-turn. To return to the station one to start the next transport materials