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2. Maeslantkering - Wikipedia

   en.wikipedia.org/wiki/Maeslantkering

   Thirty minutes before closing, the dry docks that contain the gates are flooded. After this, the gates start to float and two so-called "locomobiles" move the gates towards each other. When the gap between the gates is about 1.5 metres wide, water is let inside the hollows of the gates, so that they submerge to the bottom of the waterway.

3. Electric gate - Wikipedia

   en.wikipedia.org/wiki/Electric_gate

   A sliding electric gate with electric motor and backup battery in case of mains failure. Note also the Infrared obstacle sensor located on the wall to prevent the gate from closing while a vehicle or other obstacle is in the way. Driveway gate openers can be the rollback (sliding) type that retracks a gate along the fence or wall on wheels or ...

4. Bar gate - Wikipedia

   en.wikipedia.org/wiki/Bar_gate

   A bar, post, pole, beam, or boom gate, [1] also known as a boom or a boom barrier, [citation needed] is a beam or bar on a pivot used as a gate. The boom is lowered to block vehicular or pedestrian access through a controlled point or raised to permit such traffic. [2] Typically, the bar has a 90° range of motion with a vertical raised resting ...

5. Gates Corporation - Wikipedia

   en.wikipedia.org/wiki/Gates_Corporation

   gates.com. Gates Corporation sign at company headquarters in 1144 Fifteenth, Denver, Colorado. Gates Industrial Corporation plc, based in Denver, Colorado, is a manufacturer of power transmission belts and fluid power products, which are used in diverse industrial and automotive applications. [1] The company employs over 15,000 and has sales ...

6. Tainter gate - Wikipedia

   en.wikipedia.org/wiki/Tainter_gate

   Tainter gates are usually controlled from above with a chain/gearbox/electric motor assembly. A critical factor in Tainter gate design is the amount of stress transferred from the skinplate through the radial arms and to the trunnion, with calculations pertaining to the resulting friction encountered when raising or lowering the gate.

7. Automated fare collection - Wikipedia

   en.wikipedia.org/wiki/Automated_fare_collection

   The former AFC barrier gates at Southern Cross station in the Melbourne Metcard AFC System. An automated fare collection (AFC) system is the collection of components that automate the ticketing system of a public transportation network – an automated version of manual fare collection. An AFC system is usually the basis for integrated ticketing.