Beam bridges are often only used for relatively short distances because, unlike truss bridges, they have no built in supports. The only supports are provided by piers. The farther apart its supports, the weaker a Beam bridge gets. As a result, Beam bridges rarely span more than 250 feet.
Russia Government type. Factbook > Countries > Russia > Government. Government type: semi-presidential federation. Definition: This entry gives the basic form of government. Definitions of the major governmental terms are as follows.
Russia is a secular state, where no religion can be established as dominant state or compulsory. The freedom of conscience and religion is guaranteed by the Constitution. All citizens are granted the right to profess any religion and the right to be an atheist. Despite that there are many believers in Russia.