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A plug in sanitation is an object that is used to close a drainage outlet firmly. The insertion of a plug into a drainage outlet allows the container to be filled with water or other fluids. In contrast to screw on caps, plugs are pushed into the hole and are not put over the hole.
Fusible plugs enhance the safety of liquid fluoride thorium reactors by preventing overheating of the reactor. In the event that a limit temperature is reached, a fusible plug placed at the bottom of the reactor melts, allowing the fluid reactor fuel to drain into underground storage tanks, preventing nuclear meltdown. [21]
The Welch plug is a type of core plug that is made from a thin disc of metal. The Welch plug is dome-shaped and inserted into the casting hole with the convex side facing outwards. [ 6 ] When installed by striking the Welch plug with a hammer, the dome collapses slightly, expanding it laterally to seal the hole.
Garboard strakes and related near-keel members Diagram of typical modern metal-hulled ship’s exterior plating, with a single strake highlighted in red On a vessel's hull , a strake is a longitudinal course of planking or plating which runs from the boat's stempost (at the bows ) to the sternpost or transom (at the rear).
Perko is a surname. Notable people with the surname include: Aapo Perko (1924–2021), Finnish shot putter; Franc Perko (1929—2008), theologian, archbishop and ...