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.
Whales are the largest animals that live on the planet. They are marine mammals that belong to the order of cetacea, which includes roughly 80 species of whales, dolphins, and porpoises. Many species of whales migrate long distances each year between feeding and breeding grounds. 2  Whales are divided up between baleen whales and toothed whales. 3  Baleen whales are filter feeders, feeding on the oceans smallest organisms like krill, while toothed whales feed on fish, squid, and other marine mammals.