Animal Species:Bull Shark, Carcharhinus leucas Valenciennes, 1839. The Bull Shark is one of the few sharks that are potentially dangerous to people and is probably responsible for most of the shark attacks in and around Sydney Harbour. The species is also the only widely distibuted shark that stays in fresh water for long periods of time to feed and breed.
A rally of the trade union UNISON in Oxford during a strike in 2006. A labor union, or trade union, is an association of fair wage-earners uniting for the purpose of maintaining and improving the conditions of their employment. Over a three-hundred-year period, labor unions have developed into a number of forms, influenced by various political and economic regimes.
The Industrial Workers of the World, members of which are commonly termed Wobblies, is an international labor union that was founded in 1905 in Chicago, Illinois in the United States of America. The union combines general unionism with industrial unionism, as it is a general union whose members are further organized within the industry of their employment. The philosophy and tactics of the IWW are described as revolutionary industrial unionism, with ties to both socialist and anarchist labor