Pressurization becomes increasingly necessary at altitudes above 12,500 to 14,000 feet (3,800 to 4,300 m) above sea level to protect crew and passengers from the risk of a number of physiological problems caused by the low outside air pressure above that altitude.
1. (Architecture) the art and science of designing and superintending the erection of buildings and similar structures. 2. (Architecture) a style of building or structure: Gothic architecture. 3. (Architecture) buildings or structures collectively. 4. the structure or design of anything: the architecture of the universe.
More than merely green, Organic Architecture describes a way of thinking about design that transcends the common, everyday buildings around us. It is not a style but rather an approach to solving design problems. In Architecture, a style is a set of repeating elements (such as Spanish Colonial Style...). A truly Organic Architecture invents a new solution based on the special conditions of each project.