Which of the following is NOT a way to build surplus?

The correct answer identifies "Loop" as not being a recognized method to build surplus in the context of fire response or firefighting strategies. In the context of fire operations, surplus refers to the extra resources or capabilities that can be mobilized during firefighting efforts.

Bight, S curve, and Coil are all techniques used to create surplus in various situations. For instance, a bight involves creating a loop in the rope to provide extra length and manageability, which can be crucial in rescue operations. An S curve allows for controlled movement and helps manage tension in equipment or ropes during firefighting operations. The coil method is used to neatly organize rope or hose, ensuring it is readily accessible and can be deployed quickly when needed.

In contrast, the term "Loop," while often used in different contexts within rope management and other fields, does not specifically contribute to building surplus within fire operations in the same way the other three methods do. Understanding these techniques is essential for efficient fire response and resource management, highlighting the importance of proper methods in emergency situations.