Final answer:
The hub and spokes are the items that should be called first when calling the wheel.
Step-by-step explanation:
When calling the wheel, the items you should call first are the hub and the spokes. The hub is the center part of the wheel where the spokes connect, and it is essential for the overall structure of the wheel. The spokes are the bars or rods that radiate from the hub to the rim, providing support and strength to the wheel.