Conveyer belts are made up of two or more pulleys that continuously move a belt in a loop. They are used to transport materials in a consistent and efficient manner. They are very useful in many applications and are in theory limitless in length, with the world's biggest measuring 98 kilometers. In an agricultural application conveyor belts are tailored to specific crops, especially those that are considered delicate. Soybeans for example can be damaged very easily and are usually shuttled by conveyer belt. This is just one of the many applications a belt can serve on a farm or food processing setting.