Urticaria is also known as 'nettlerash' or 'hives'. It consists of wheals-spots or patches of raised red or white skin-each of which usually clears away in a few hours, to be replaced by other fresh wheals. The wheals are usually itchy, painful or cause a burning sensation.
1 1893: the original Ferris Wheel was 80.4 metres (264 ft) tall. 2  Built for the World's Columbian Exposition in Chicago, Illinois, it was moved to St. Louis, Missouri, in 1904 for the Louisiana Purchase Exposition, and demolished there in 1906.
From tiny watch gears to automobiles, jet engines and computer disk drives, the principle is the same. Based on diagrams on ancient clay tablets, the earliest known use of this essential invention was a potters wheel that was used at Ur in Mesopotamia (part of modern day Iraq} as early as 3500 BC.The first use of the wheel for transportation was probably on Mesopotamian chariots in 3200 BC.rom tiny watch gears to automobiles, jet engines and computer disk drives, the principle is the same. Based on diagrams on ancient clay tablets, the earliest known use of this essential invention was a potters wheel that was used at Ur in Mesopotamia (part of modern day Iraq} as early as 3500 BC.