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.
Whale & dolphin species of South Africa. Whales and dolphins of South Africa â Join a whale and dolphin watching tour with Oceans Africa. Whales and dolphins (Cetacea) can be divided into two major groups or sub-orders. Baleen whales (Mysticetes) are distinctive for having two blowholes and whalebone (baleen) plates hanging from the roof of the mouth to filter food.