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.
Gottlieb Daimler used a new engine invented by engineer, Nicolaus August Otto. Otto invented the first Four-Stroke Internal-Combustion Engine in 1876. He called it the Otto Cycle Engine. As soon as he completed his engine, Daimler (a former Otto employee) built it into a motorcycle. History of the Harley Davidson Motorcycle.