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  2. Lock (water navigation) - Wikipedia

    en.wikipedia.org/wiki/Lock_(water_navigation)

    The rise is the change in water-level in the lock. The two deepest locks on the English canal system are Bath deep lock [14] [15] on the Kennet and Avon Canal and Tuel Lane Lock on the Rochdale Canal, which both have a rise of nearly 20 feet (6.1 m). Both locks are amalgamations of two separate locks, which were combined when the canals were ...

  3. Wikipedia:How to draw a diagram with Dia - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:How_to_draw_a...

    Starting on the left you will find a handful of simple tools. Use the pointer button to move objects on the screen. Use the cursor button to change the text of a text object. Use the magnify button to zoom in. Use the button with four arrows to move around the diagram. Use the text button to add text to your diagram.

  4. Tainter gate - Wikipedia

    en.wikipedia.org/wiki/Tainter_gate

    Pressure forces on a submerged body act perpendicular to the body's surface. The design of the Tainter gate results in every pressure force acting through the centre of the imaginary circle of which the gate is a section, so that all resulting pressure force acts through the pivot point of the gate, making construction and design easier.

  5. Stoplogs - Wikipedia

    en.wikipedia.org/wiki/Stoplogs

    Stoplogs of a hydro power plant which can close the water flow to the turbine. Stoplogs are modular in nature, giving the operator of a gated structure the ability to control the water level in a channel by adding or removing individual stoplogs. A gate may make use of one or more logs.

  6. Locks and weirs on the River Thames - Wikipedia

    en.wikipedia.org/wiki/Locks_and_weirs_on_the...

    Richmond Lock is managed by the Port of London Authority. Most of the Environment Agency's locks and weirs are staffed by a lock keeper, who often lives in a house adjacent to the lock. The lock keeper's duties involve both operating the lock, and managing the river levels above the lock by adjusting the weir openings.

  7. Floodgate - Wikipedia

    en.wikipedia.org/wiki/Floodgate

    Floodgates, also called stop gates, are adjustable gates used to control water flow in flood barriers, reservoir, river, stream, or levee systems. They may be designed to set spillway crest heights in dams, to adjust flow rates in sluices and canals, or they may be designed to stop water flow entirely as part of a levee or storm surge system.

  8. Home automation - Wikipedia

    en.wikipedia.org/wiki/Home_automation

    A home automation system typically connects controlled devices to a central smart home hub (sometimes called a "gateway"). The user interface for control of the system uses either wall-mounted terminals, tablet or desktop computers, a mobile phone application, or a Web interface that may also be accessible off-site through the Internet.

  9. diagrams.net - Wikipedia

    en.wikipedia.org/wiki/Diagrams.net

    diagrams.net is available as an online web app, and as an offline desktop application for Linux, macOS, and Windows. [5] Its offline application is built using the Electron framework. The web app does not require online login or registration and can open from and save to the local hard drive.