Technical diving — Technical diver during a decompression stop. Technical diving (sometimes referred to as Tec diving) is a form of scuba diving that exceeds the scope of recreational diving (although the vast majority of technical divers dive for recreation and… … Wikipedia
Natural Bridges National Monument Solar Power System — Natural Bridges Solar Power collectors Natural Bridges National Monument Solar Power System is a demonstration plant using solar cells as the energy source.[1][2 … Wikipedia
Technical communication — is the process of conveying usable information through writing or speech about a specific domain to an intended audience. Information is usable if the intended audience is able to perform an action or make a decision based on its contents… … Wikipedia
Natural circulation — refers to the ability of a fluid in a system to circulate continuously, with gravity and changes in heat energy (temperature) being the only driving force. This force is known as thermal head or thermal driving head. A fluid system designed for… … Wikipedia
Natural Resources Research Institute — Natural Resources Research Institute. The Natural Resources Research Institute (NRRI) is a U.S. based research institute established by the Minnesota state legislature within the University of Minnesota Duluth. NRRI is a non profit applied… … Wikipedia
Natural burial — is a process by which the body of a deceased person is interred in the soil in a manner that does not inhibit decomposition and allows the body to recycle naturally. It is seen as an alternative to contemporary Western burial methods. Contents 1… … Wikipedia
Natural and Culturo-Historical Region of Kotor — Natural and Culturo Historical Region of Kotor * UNESCO World Heritage Site … Wikipedia
System of Cooperation Among the American Air Forces — SICOFAA emblem Active 1961 Current Country Argentina, Belize … Wikipedia
Natural gas vehicle — NGV redirects here. For the art gallery in Melbourne, Australia, see National Gallery of Victoria. Fueling (Fiat Multipla) … Wikipedia
Natural scientific research in Canada — This article outlines the history of natural scientific research in Canada, including mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… … Wikipedia
Natural deduction — In logic and proof theory, natural deduction is a kind of proof calculus in which logical reasoning is expressed by inference rules closely related to the natural way of reasoning. This contrasts with the axiomatic systems which instead use… … Wikipedia