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...ear weapon]]s. It is also used, among other things, in [[smoke detector]]s and [[gun sight]]s. ==History and scientific background== ...

{{short description|Professional diving on industrial projects}} ...other commercial purposes which are similar to work done out of the water, and where the diving is usually secondary to the work. ...

...energy use|efficiency measures]] reduce the demand for energy development, and can have benefits to society with improvements to [[environmental issue]]s. ...ating and air conditioning, and communication, for industrial, commercial, and domestic purposes. Energy resources may be classified as primary resources ...

...icity from nuclear power is produced by nuclear ''fission'' of [[uranium]] and [[plutonium]] in [[nuclear power plant]]s. Nuclear ''decay'' processes are ...l reactors breed some [[plutonium-239]], which is found in the spent fuel, and because Pu-239 is the preferred material for [[nuclear weapons]], reprocess ...

{{Short description|Energy that responsibly meets social, economic, and environmental needs}} ...d energy]] in South Africa; electrified [[public transport]] in Singapore; and [[clean cooking]] in Ethiopia. ...

[[File:US Navy submarine types of 1940s and 1950s drawing 1967.png|thumb|upright=1.35|{{unbulleted list|World War II [[ ...nes/naval-history-magazine/2017/october/bluejackets-manual-ships-and-boats-and |volume=31 |issue=5 |access-date=9 November 2022 |department=Bluejacket's M ...

{{Short description|List of definitions of terms and concepts commonly used in the study of engineering}} ...tributed loads (u.d.l.) and uniformly varying loads (u.v.l.) over the span and a number of concentrated loads are conveniently handled using this techniqu ...

{{Short description|The study of all aspects of science and its practitioners}} '''Logology''' is the study of all things related to [[science]] and its [[scientist|practitioner]]s—[[philosophy of science|philosophical]], bi ...