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Wide provided suitable for busy trunk, also can be laid in tunnel and station floor maintenance difficulties, stone or soil subgrade are laid, but the mud pumping in the diseases of roadbed must be laid on the roadbed diseases after renovation. The main advantages of the wide sleeper circuit are: the suborbital sinking is small. The vibration acceleration is smaller than the concrete sleeper line, which gradually slows down and stops after laying. So the line maintenance work is greatly reduced, about a third of the general concrete sleeper line. The track is easy to keep clean. Dirt is not easy to break into the bed and prolong the repair cycle of the route. The line is smooth and stable, which is conducive to high-speed operation and the laying of seamless circuit. The disadvantage is that the cost is higher, and it is more difficult to change the shop on the busy trunk line
The Red Baron, whose real name was Manfred Albrecht Freiherr von Richthofen, was the most famous German flying ace of World War I. He had an incredibly short flying career, which spanned about 1 / 2 of World War I, and died in the age of 25 in April 1918 after being shot down over Morlancourt Ridge, at the Somme. He was officially credited with 80 air combat victories, though further overview of data shows how the number may have been better 100. As for Red Baron airplanes, all were Fokkers, or Albatroses, plus one Halberstadt D.II.
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