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Shadoof in Estonia. A shadoof or shaduf [1] is an irrigation tool that is used to lift water from a water source onto land or into another waterway or basin. It is highly efficient, and has been known since 3000 BCE. [citation needed] The mechanism of a shadoof comprises a long counterbalanced pole on a pivot, with a bucket attached to the end ...
A simple smiley. This is a list of emoticons or textual portrayals of a writer's moods or facial expressions in the form of icons.Originally, these icons consisted of ASCII art, and later, Shift JIS art and Unicode art.
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Whether it's called shaduf, shadoof, or any other variant, there should be complete consistency throughout the article. It should pick one name as a preferred version, mention the others, and then stick to the preferred name throughout. Currently, we have the article name "Shadoof" immediately followed by "A shaduf.... is an irrigation tool".
The third gives symbols listed elsewhere in the table that are similar to it in meaning or appearance, or that may be confused with it; The fourth (if present) links to the related article(s) or adds a clarification note.
The counterweight system of the shadoof is an early example of the engineering of river water. In pre-industrial society, rivers were a source of transportation and abundant resources. [19] [26] Many civilizations depended on what resources were local to them to survive.
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The term saqiyah or saqiya is the usual term for water-raising devices powered by animals. [13] The term noria is commonly used for devices which use the power of moving water to turn the wheel instead. [14]