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.
The government exercises executive power in the Russian Federation. The members of the government are the prime minister, the deputy prime ministers, and the federal ministers. The prime minister is appointed by the president of the Russian Federation and confirmed by the State Duma. He or she succeeds to the presidency if the current president dies, is incapacitated or resigns. The current prime minister is Dmitry Medvedev. The government issues its acts in the way of decisions and orders . These must not contradict the constitution, constitutional laws, federal laws, and Presidential decrees, and are signed by the Prime Minister. The government is the subject of the 6th chapter of the Constitution of the Russian Federation.