Final answer:
The skill of a manager that is NOT mentioned is relying on controls.
Step-by-step explanation:
Based on the options provided, the skill of a manager that is NOT mentioned is Relies on Controls. Effective managers are typically responsible for maintaining the operations of a team or organization, having a long-range view of goals and strategies, and focusing on the structure of the organization. However, relying on controls is not mentioned as a skill of a manager in this context. It is important for a manager to have the ability to monitor and evaluate performance, but this is not specifically referred to as relying on controls.