1 Conversion disorder: A somatic symptom disorder involving the actual loss of bodily function such as blindness, paralysis, and numbness due to excessive anxiety. 2  Illness anxiety disorder: A somatic symptom disorder involving persistent and excessive worry about developing a serious illness. diagnosis of somatic symptom disorder requires that the subject have recurring somatic complaints for at least six months. Symptoms are sometimes similar to those of other illnesses and may last for years. Usually, the symptoms begin appearing during adolescence, and patients are diagnosed before the age of 30 years.
Ship owners prefer single engine/single propeller designs and the new generation of larger container ships (or post-Panamax) called for a bigger engine to propel them. The RTA96C-14 turbocharged two-stroke diesel engine is produced by Swiss company Wartsila-Sulzer and is the largest and most powerful diesel engine in the world today.
The Diesel engine was invented by Rudolf Christian Karl Diesel, a German inventor born in France. He designed a single 3 m iron cylinder with a flywheel at its base which ran â¦ on its own power for the first time in Augsburg, Germany on 10 August 1893. George Stephenson (9 June 1781 - 12 August 1848) a British civil engineer and mechanical engineer who built the first public railway line in the world to use steam locomotives and is known as the Father of Railways   Trevithick invented the first train, Stephenson the first public railway line.