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Shaft sinking. A plan-view schematic of a mine shaft showing cage and skip compartments. Services may be housed in either of the four open compartments. Shaft mining or shaft sinking is the action of excavating a mine shaft from the top down, where there is initially no access to the bottom. [1] Shallow shafts, typically sunk for civil ...
This is a list of flags, arranged by design, serving as a navigational aid for identifying a given flag. Uncharged flags are flags that either are solid or contain only rectangles, squares and crosses but no crescents, circles, stars, triangles, maps, flags, coats of arms or other objects or symbols.
NAND gate. In digital electronics, a NAND gate ( NOT-AND) is a logic gate which produces an output which is false only if all its inputs are true; thus its output is complement to that of an AND gate. A LOW (0) output results only if all the inputs to the gate are HIGH (1); if any input is LOW (0), a HIGH (1) output results.
Mechanical systems drawing is a type of technical drawing that shows information about heating, ventilating, air conditioning and transportation around the building (Elevators or Lifts and Escalator). [ 1] It is a powerful tool that helps analyze complex systems. These drawings are often a set of detailed drawings used for construction projects ...
A semi-schematic diagram combines some of the abstraction of a purely schematic diagram with other elements displayed as realistically as possible, for various reasons. It is a compromise between a purely abstract diagram (e.g. the schematic of the Washington Metro) and an exclusively realistic representation (e.g. the corresponding aerial view of Washington).
1972–1984 [ 1] Number built. 716 [ 2] The Fairchild Republic A-10 Thunderbolt II is a single-seat, twin - turbofan, straight-wing, subsonic attack aircraft developed by Fairchild Republic for the United States Air Force (USAF). In service since 1977, it is named after the Republic P-47 Thunderbolt, but is commonly referred to as the "Warthog ...
The lumped-element model (also called lumped-parameter model, or lumped-component model) is a simplified representation of a physical system or circuit that assumes all components are concentrated at a single point and their behavior can be described by idealized mathematical models. The lumped-element model simplifies the system or circuit ...
Toki Pona (rendered as toki pona [a] and often translated as 'the language of good'; [b] IPA: [ˈtoki ˈpona] (listen ⓘ); English: / ˈ t oʊ k i ˈ p oʊ n ə /) is a philosophical artistic constructed language known for its small vocabulary, simplicity, and ease of acquisition. [5]