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.
The potter's wheel was invented about 7000 years ago and has become the method of choice for many potters. In all methods it is essential for the clay to contain some water; not too much, because that makes the clay too soft and unworkable, or even turns it into 'slip' - a dispersion of clay in water.