The correct term for the distance the load moves vertically during a crane operation is "lift height." This term specifically refers to the measurement of vertical movement from the starting position to the final position of the load being lifted.
Understanding "lift height" is crucial in crane operations, as it directly relates to the capacity and limits of the crane being used. It is essential for ensuring safe lifting practices and determining if the crane can handle the specific lift without exceeding its rated capacity.
In contrast, while "vertical displacement" and "elevation change" may sound relevant, they are broader terms that could apply to various contexts outside of crane operations and do not specifically denote the act of lifting a load. "Height lift" is not a standard term used in crane operation terminology, making "lift height" the correct and most widely accepted term for this specific vertical measurement.