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The smaller hole is called the pritchel hole, used as a bolster when punching holes in hot metal, or to hold tools similar to how the hardy tool does, but for tools that require being able to turn a 360-degree angle such as a hold-down tool for when the blacksmith's tongs cannot hold a workpiece as securely as it needs to be.
Slow motion video of a fruit falling into water. In fluid mechanics, a splash is a sudden disturbance to the otherwise quiescent free surface of a liquid (usually water).The disturbance is typically caused by a solid object suddenly hitting the surface, although splashes can occur in which moving liquid supplies the energy.
Suppose the same iron block is reshaped into a bowl. It still weighs 1 ton, but when it is put in water, it displaces a greater volume of water than when it was a block. The deeper the iron bowl is immersed, the more water it displaces, and the greater the buoyant force acting on it. When the buoyant force equals 1 ton, it will sink no farther.
In HIsarna ironmaking, iron ore is processed almost directly into liquid iron or hot metal. The process is based around a cyclone converter blast furnace, which makes it possible to skip making the BOS-required pig iron pellets. Skipping this preparatory step makes the HIsarna process more energy-efficient and lowers the carbon footprint.
A hammerhead turn is based on a flying maneuver by the same name and is similar to, but not the same as, a 180-degree overbanked turn (see #Overbanked turn). The train enters the element with a steep slope up and a slight curve in the direction opposite that of the overall turn (a so-called "priming" of the turn).
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A man overboard rescue turn (or person overboard) [1] is a shiphandling manoeuvre usually implemented immediately upon learning of a person having gone overboard into the sea. To bring a vessel closer to the person's location, implementations of the principles described are: the Anderson turn (or single turn), the quick turn (also known as the ...