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Rainmaking is a simple scam in which the trickster promises to use their power or influence over a complex system to make it do something favourable for the mark. Classically this was promising to make it rain, [ 91 ] but more modern examples include getting someone's app "featured" on an app store , obtaining pass marks in a university ...
A common exception is a pump and dump scheme (typically involving buyers and holders of thinly-traded stocks), which much more closely resembles a Ponzi scheme than other types of bubbles. Ponzi schemes typically result in criminal charges when authorities discover them but, other than pump and dump schemes, economic bubbles do not typically ...
Gas stations are routine stops for most people, but they also present opportunities for criminals to take advantage of those who are unaware. Before you fill up your tank next time, it's important ...
Scam letter posted within South Africa. An advance-fee scam is a form of fraud and is a common confidence trick.The scam typically involves promising the victim a significant share of a large sum of money, in return for a small up-front payment, which the fraudster claims will be used to obtain the large sum.
Depending on the size of the pump, it generally produces 5 to 40 litres (1 to 9 imp gal; 1.5 to 10.5 US gal) of liquid at each stroke. Often this is an emulsion of crude oil and water. Pump size is also determined by the depth and weight of the oil to remove, with deeper extraction requiring more power to move the increased weight of the ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 26 January 2025. Form of securities fraud For other uses, see Pump and dump (disambiguation). "Night wind hawkers" sold stock on the streets during the South Sea Bubble. (The Great Picture of Folly, 1720) Pump and dump (P&D) is a form of securities fraud that involves artificially inflating the price of ...
A spiral pump, sometimes called a Wirz pump or incorrectly Wirtz pump, is a low lift pump which is composed of a long piece of metal plating, which is wound into a coil and sealed at the top and back extremities so as to resemble a cylinder. The outer cavity serves as the inlet, while the inner (partial) tube serves as the outlet.
A screw extractor is a tool for removing broken or seized screws. There are two types: one has a spiral flute structure, commonly called an easy out after the trademarked name EZ-Out ; [ clarification needed ] the other has a straight flute structure.