Load - _____________ parts are designed to support the load. What is the missing term?

The term "Bearing" is correct in this context because it refers to the structural components or systems within a crane that are specifically designed to support and distribute the weight of the load being lifted. Bearings ensure that the forces exerted by the load are managed effectively, allowing for safe and stable lifting operations. When cranes operate, the bearings play a crucial role in minimizing wear and tear, providing stability, and ensuring that the load does not exceed the designed limits of the crane's structure. This contributes to the overall safety and efficiency of lifting operations.

Using the other options may lead to misunderstandings. For instance, while "Carrying" could imply a function related to the load, it does not specifically denote the components that bear the load. "Controlling" and "Regulating" are terms more associated with the management of movement and operational procedures rather than the physical support structure. Therefore, "Bearing" precisely conveys the function of components that are engineered to handle the mechanical stresses associated with lifting loads safely.