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.
Report Abuse. No country in the world truly practices Communism. All the countries that have ever used communism have used Authoritarianism Communism. It's like saying Hitler was a socialist (he was an Authoritarianism Socialist).Pure Communism is known as Libertarianism Communism, which provides the people with more social freedoms.eport Abuse. No country in the world truly practices Communism. All the countries that have ever used communism have used Authoritarianism Communism. It's like saying Hitler was a socialist (he was an Authoritarianism Socialist).