Racehorse injuries generally a mixture of sand, silt and clay. Turf tracks are usually Bermuda grass in warm climates and a mixture of Fescue, Bluegrass and Rye in more temperate climates. Synthetic tracks are generally a mixture of sand, synthetic fibers, rubber and wax. Synthetics are differentiated by brand names such as Polytrack, Tapeta Footings and Cushion Track. North American racing is run on all three types of tracks and provides the best basis for a comparison on how track composition affects injuries and fatalities. The EID was finally able to provide statistics on racing related fatalities in March 2010. The TOBA
Persian carpet filled by identical, star shaped ornaments made up by centrally overlapping x- and cross-shaped patterns. The design of the carpet already shows the basic arrangement of what was to become the standard oriental carpet design: A field with repeating patterns, framed by a main border in elaborate design, and several secondary borders. The discoverer of the Pazyryk carpet, Sergei Rudenko, assumed it to be a product of the contemporary Achaemenids. Whether it was produced in the region where it was found, or is a product of Achaemenid manufacture, remains subject to debate. Its fine weaving and elaborate pictorial design hint