The device is a specialized form of external fixator, a circular fixator, modular in construction. Stainless steel (or titanium) rings are fixed to the bone via stainless heavy-gauge wire (called pins or Kirschner wires). The rings are connected to each other with threaded rods attached through adjustable nuts.he Ilizarov external fixators can be used to correct angular deformity in the leg, to correct leg-length differences, and treat non-unions. In most developing countries it is a highly specialized technique used mainly for deformity correction by experienced surgeons due to its complexity.
There are different zones not levels. The Killer Whale/ Orca Whale lives in the Epipelagic Zone. Also, known as the Sunlight Zone.
1 There are two suborders of whales to which all species of whales belong: toothed whales and baleen whales. 2  Toothed whales include sperm, killer, and beluga whales, and they prey on large fish in deep waters as their main source of food. Whales belong to the order cetacean, meaning they are mammals that are fully adapted to aquatic life. 2  Like dolphins and porpoises, whales are believed to have descended from land animals that returned to the water roughly 50 million years ago after living millions of years on land. 3  b.