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 developed by Dr. Rudolf Diesel in 1892. It was massive and was used mostly to power marine vessels and stationary machines. Improvements were made by the company Sulzer Ltd. of Switzerland. The first train powered by a diesel engine was operated in 1912 on the Winterthur-Romanshorn Railroad.t was this engine that was used to power the first public steam engine locomotive. George Stephenson built a working locomotion for Stockton and Darling Railway in 1825. Earlier in 1804 Richard Trevithick built a steam powered locomotive for the ironworks near Merthyr Tydfil in south Wales.