automatic flap gate

  • 1harbours and sea works — Introduction harbour also spelled  harbor        any part of a body of water and the manmade structures surrounding it that sufficiently shelters a vessel from wind, waves, and currents, enabling safe anchorage or the discharge and loading of… …

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  • 2Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… …

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  • 3Door — For other uses, see Door (disambiguation). A door is a movable structure used to open and close off an entrance, typically consisting of a panel that swings on hinges or that slides or rotates inside of a space. When open, they admit ventilation… …

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  • 4Fares and ticketing on the Mass Rapid Transit — Because the rail operators are government assisted profit based corporations, fares on Singapore s Mass Rapid Transit (MRT) system are currently aimed at least in breaking even to at least compensate for their costs of running the system. The… …

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  • 5Flight control modes (electronic) — New aircraft designs like this Boeing 777 rely on sophisticated flight computers to aid and protect the aircraft in flight. These are governed by computational laws which assign flight control modes during flight Aircraft with fly by wire flight… …

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  • 6List of inventors — This is a list of inventors. See also: List of scientists, Timeline of invention, List of inventions named after people, List of inventors killed by their own inventions, and . Alphabetical list compactTOC NOTOC A * Vitaly Mikhaylovich Abalakov,… …

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  • 7Batmobile — For the psychobilly group, see Batmobile (band). For the European Touring Car Championship racing car of the 1970s, see BMW E9. Batmobile An early depiction of the Batmobile. Publication information …

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  • 8Sluice — A sluice gate. Sluice gate located on the …

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  • 9Fieseler Fi 97 — NOTOC Infobox Aircraft name=Fieseler Fi 97 caption= type=Touring aircraft manufacturer=Fieseler designer= first flight=1934 introduced=1934 retired= status= primary user=Germany more users= produced=1934 number built=5 variants with their own… …

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  • 10valve — I (New American Roget s College Thesaurus) n. damper, cutoff, cock, butterfly, pallet, poppet; ventil, side valve; plug, piston, cusp. See closure. II (Roget s IV) n. Syn. flap, lid, plug; see device 1 , pipe 1 . Types of valves include:… …

    English dictionary for students