Which equipment is primarily associated with the Tender System?

The Tender System primarily utilizes rope grabs because they are essential components that facilitate the smooth operation of the system, allowing for secure management of the rope during rescue operations. Rope grabs enable the tender to control the descent or ascent of the rescuer or the victim, providing a reliable means to arrest any unintended falls. Their design allows for quick adjustments and secure gripping of the rope, which is crucial in a time-sensitive rescue scenario. This functionality directly relates to the role of a tender, who needs to manage rope tension and security effectively.

In contrast, the other options do play roles in rescue operations but do not specifically define the Tender System in the same way. Fixed anchors provide stability but are not exclusive to or primarily associated with the tendering process. Pulleys are vital for mechanical advantage and system efficiency but again, do not speak directly to the unique functionality of a tender. Static lines may be involved in various rescue setups, but they are not a defining feature of the Tender System itself. Thus, the focus on rope grabs highlights their primary association with managing the dynamics of the tender role in rope rescue operations.