In the case of a truss bridge, a post-tensioned slab bridge, or a box girder bridge the sections are often floated to the bridge and then lifted into place by cranes on barges or cranes sitting over piers.
The very good reason why the word communism is so commonly associated with these revolutionary, anti-liberal, anti-democratic Marxists is that political parties with communist in the name were pretty much invariably of that bent throughout the 20th century, whereas parties called socialist or social democrat or labor varied enormously in ideology.
Socialists who embraced Leninâs methods became known as âcommunistsâ and eventually came to power in China, Eastern Europe, North Korea, Indo-China, and elsewhere. The most important fact to understand about the economics of communism is that communist revolutions triumphed only in heavily agricultural societies.Government ownership of the means of production could not, therefore, be achieved by expropriating a few industrialists.he most important fact to understand about the economics of communism is that communist revolutions triumphed only in heavily agricultural societies. Government ownership of the means of production could not, therefore, be achieved by expropriating a few industrialists.