What type of construction does Block - Creel refer to in ropes?

Block - Creel refers to a type of construction that utilizes continuous filament fibers in both the kern and the mantle of the rope. This construction method is beneficial because it ensures high strength and durability while minimizing potential weaknesses that could be present in other fiber configurations. Continuous filament fibers provide consistent performance because they are uniform in nature, reducing the chances of fiber breakage or degradation over time.

In this context, having a continuous filament in both layers means that the load is distributed evenly throughout the rope, enhancing its reliability in rescue operations. This type of construction is particularly favored for ropes that need to withstand rigorous use and demanding conditions. Thus, the correct identification of Block - Creel as involving continuous filament fibers is crucial for understanding the properties and applications of ropes in rescue scenarios.