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.
The term âscientific communismâ (or âscientific socialismâ) is also used in a broader sense to refer to Marxism-Leninism as a whole. Scientific communism is organically linked with the other components of Marxism-LeninismâMarxist philosophy and political economy.cientific communism gives the social and political reasons for the downfall of capitalism and the triumph of communism. The logical and consistent culmination of philosophical materialism and Marxist political economy is found in scientific communism.