Two factors dictate the design of an ideal brace: 1  Joints adjacent to the thumb CMC joint must be excluded to maximize function when wearing the brace; thus a design using three points of pressure cannot be used. 2  The brace must specifically prevent CMC dorsal translation.
Expansion valve. An expansion valve is a valve used for different purposes: Steam engines. A valve used to control the expansion of steam: Expansion valve (steam engine) The best-known of these was the Meyer expansion valve, the invention of Jean-Jacques Meyer.
Another answer Rudolf Christian Karl Diesel, a German inventor who was born in France, invented and patented a new kind of internal combustion engine in Augsburg, Germany. It was given the name Diesel engine because he invented it. It ran under 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.