Eleanor of Aquitaine (Aliénor, Éléonore, Alienora; 1122 – 1 April 1204) was a member of the Ramnulfid dynasty of rulers in southwestern France, and one of the wealthiest and most powerful women in western Europe during the High Middle Ages. She inherited the Duchy of Aquitaine from her father, William X, in 1137, and by successive marriages became queen of France (1137–1152) and then England (1154–1189). She was the patron of literary figures such as Wace, Benoît de Sainte-Maure, and Bernart..
Zinc, in commerce also spelter, is a chemical element; it has the symbol Zn and atomic number 30. It is the first element of group 12 of the periodic table. Zinc is, in some respects, chemically similar to magnesium, because its ion is of similar size and its only common oxidation state is 2. Zinc is the 24th most abundant element in the Earth's crust and has five stable . The most common zinc ore is sphalerite (zinc blende), a zinc sulfide mineral. The largest mineable amounts are found in Australia, A..
An impact wrench (also known as an impactor, air wrench, air gun, rattle gun, torque gun, windy gun) is a socket wrenchpower tool designed to deliver high torque output with minimal exertion by the user, by storing energy in a rotating mass, then delivering it suddenly to the output shaft.
