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LECA is usually produced in different sizes and densities from 0.1 millimetres (0.004 in) up to 25 millimetres (1.0 in), commonly 0–4 mm, 4–10 mm, 10–25 mm and densities of 250, 280, 330, and 510 kg/m 3. LECA boulder is the biggest size of LECA with 100–500 mm size and 500 kg/m 3 density.
Wikisource has original text related to this article: End Poem (full text) The end credits of the video game Minecraft include a written work by the Irish writer Julian Gough, conventionally called the End Poem, which is the only narrative text in the mostly unstructured sandbox game. Minecraft's creator Markus "Notch" Persson did not have an ending to the game up until a month before launch ...
Soils that have a high percentage of silt, such as silty loam or silty clay, feel smooth. [1] Soils that have a high percentage of clay, such as clay loam, have a sticky feel. Although the texture by feel method takes practice, it is a useful way to determine soil texture, especially in the field.
Bluetooth 2.1 improved device pairing speed and security. Bluetooth 3.0 again improved transfer speed up to 24 Mbit/s. In 2010 Bluetooth 4.0 (Low Energy) was released with its main focus being reduced power consumption. Before Bluetooth 4.0 the majority of connections using Bluetooth were two way, both devices listen and talk to each other.
The NFC range is up to 20 cm (7.87 inches) but the optimum range is less than 4 cm (1.57 inches). iBeacons have a significantly higher range. Not all phones carry NFC chips. Apple's first iPhone model containing NFC chips was the iPhone 6, introduced September 2014, but most modern phones have had Bluetooth 4.0 or later capability for several ...
IARU Region 1 is encouraging individual beacons to move to 50.4 MHz to 50.5 MHz. [4] [5] In the United States, the Federal Communications Commission (FCC) only permits unattended 6-meter beacon stations to operate between 50.060 and 50.080 MHz. [6] Amateur beacons at 50 MHz have also been used as signal sources for academic propagation research [7]
In the 1930s Beacon Wood was taken over for its Clay Reserves, by APCM Ltd. From 1935 to 1964, four million tonnes of clay were excavated, mixed to a slurry and pumped along a 3 km pipeline, from the Bean Clay Pit, to Johnsons Cement Works (between Greenhithe and Stone). The clay was mixed with crushed chalk and burnt in kilns to produce cement ...
Vitrified clay pipe (VCP) is pipe made from a blend of clay and shale that has been subjected to high temperature to achieve vitrification, which results in a hard, inert ceramic. VCP is commonly used in gravity sewer collection mains because of its long life and resistance to almost all domestic and industrial sewage , particularly the ...