Complex sentence: The key difference between the kinetic hanger and the kinetic heap is that the kinetic hanger relaxes the requirement that the tree structure must be balanced, thus insertions and deletions in the kinetic hanger are randomized instead of deterministic.
Split into simpler sentences: The key difference between the kinetic hanger and the kinetic heap is that the kinetic hanger relaxes the requirement that the tree structure must be balanced. Thus insertions and deletions in the kinetic hanger are randomized instead of deterministic.