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2. Stoplogs - Wikipedia

   en.wikipedia.org/wiki/Stoplogs

   Stoplogs are typically long rectangular timber beams or boards that are placed on top of each other and dropped into premade slots inside a weir, gate, or channel. Present day, the process of adding and removing stoplogs is not manual, but done with hydraulic stoplog lifters and hoists. [1] Since the height of the barrier can only be adjusted ...

3. Floodgate - Wikipedia

   en.wikipedia.org/wiki/Floodgate

   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 ...

4. Lock (water navigation) - Wikipedia

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

   A lock chamber separated from the rest of the canal by an upper pair and a lower pair of mitre gates. The gates in each pair close against each other at an 18° angle to approximate an arch against the water pressure on the "upstream" side of the gates when the water level on the "downstream" side is lower. 1–2.

5. Tainter gate - Wikipedia

   en.wikipedia.org/wiki/Tainter_gate

   Tainter gate being constructed, in 1936, on the upper Mississippi River, Lock and Dam No. 7 (Onalaska Dam), La Crescent, Minnesota (USACE) Stevenson Dam Tainter Gate. The Tainter gate is a type of radial arm floodgate used in dams and canal locks to control water flow. It is named for its inventor, Wisconsin structural engineer Jeremiah Burnham ...

6. Panama Canal locks - Wikipedia

   en.wikipedia.org/wiki/Panama_Canal_locks

   The Panama Canal locks ( Spanish: Esclusas del Canal de Panamá) are a lock system that lifts ships up 85 feet (26 metres) to the main elevation of the Panama Canal and down again. The original canal had a total of six steps (three up, three down) for a ship's passage. The total length of the lock structures, including the approach walls, is ...

7. Bill Gates - Wikipedia

   en.wikipedia.org/wiki/Bill_Gates

   Bill Gates. William Henry Gates III (born October 28, 1955) is an American businessman, investor, philanthropist, and writer best known for co-founding the software giant Microsoft, along with his childhood friend Paul Allen. During his career at Microsoft, Gates held the positions of chairman, chief executive officer (CEO), president, and ...

8. Find and remove unusual activity on your AOL account

   help.aol.com/articles/find-and-remove-unusual...

   Monitoring your recent login activity can help you find out if your account has been accessed by unauthorized users. Review your recent activity and revoke access to suspicious entries using the info below. Remove suspicious activity. From a desktop or mobile browser, sign in and visit the Recent activity page. Depending on how you access your ...

9. Sluice - Wikipedia

   en.wikipedia.org/wiki/Sluice

   1: Tube connecting the chamber to the high water side of the sluice. 2: Gates to regulate the water level in the chamber. Only one gate may be opened at a time. 3: Tube connecting the chamber to the low water side of the sluice. 4: The chamber in which the water level can be controlled.