What type of rope is preferred for its high flexibility in constrained applications?

Lang lay rope is preferred in constrained applications due to its construction, where the wire strands in the rope are laid parallel to the rope's axis. This design results in a rope that is more flexible and can handle bending and wrapping around objects much better than other lay types. The high flexibility makes Lang lay rope particularly suitable for applications where space is tight, allowing it to navigate through pulleys or around structures without kinking or compromising its integrity.

Additionally, this type of rope tends to have a better resistance to wear and abrasion due to its geometry, as the wires are positioned such that they can share the load more evenly over the surface area. This contributes to extending the lifespan of the rope in constrained working environments.

Other types of rope, such as regular lay, Warrington, and Seale types, do not offer the same level of flexibility in tight situations, making them less suitable for such specific applications.