profiled nozzle

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Schilling Rudder — A Schilling Rudder is a specific type of profiled rudder used on certain boats and ships. See RudderThe Schilling ConceptThe Schilling Profile is designed improve the effectiveness of the rudder and manoeuvrability of the craft, especially at… … Wikipedia
Steam engine — A steam engine is a heat engine that performs mechanical work using steam as its working fluid. [ [http://www.britannica.com/EBchecked/topic/564472/steam engine steam engine Britannica Online Encyclopedia ] ] Steam engines have a long history,… … Wikipedia
Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations … Wikipedia

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