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Apache Flink. Apache Flink is an open-source, unified stream-processing and batch-processing framework developed by the Apache Software Foundation. The core of Apache Flink is a distributed streaming data-flow engine written in Java and Scala. [3][4] Flink executes arbitrary dataflow programs in a data-parallel and pipelined (hence task ...
A diving weighting system is ballast weight added to a diver or diving equipment to counteract excess buoyancy. They may be used by divers or on equipment such as diving bells, submersibles or camera housings. Divers wear diver weighting systems, weight belts or weights to counteract the buoyancy of other diving equipment, such as diving suits ...
The Clotilda. The Clotilda (slave ship) (often misspelled Clotilde) was the last known U.S. slave ship to bring captives from Africa to the United States, arriving at Mobile Bay, in autumn 1859 or on July 9, 1860, with 110 African men, women, and children. The ship was a two-masted schooner, 86 feet (26 m) long with a beam of 23 ft (7.0 m).
Fishing in India is a major sector within the economy of India contributing 1.07% of its total GDP. [1] The fishing sector in India supports the livelihood of over 28 million people in the country, especially within the marginalized and vulnerable communities. [2] India is the third largest fish producing country in the world accounting for 7. ...
78003412[1] Added to NRHP. December 29, 1978. H. L. Hunley, also known as the Hunley, CSS H. L. Hunley, or CSS Hunley, was a submarineof the Confederate States of Americathat played a small part in the American Civil War. Hunleydemonstrated the advantages and dangers of undersea warfare. She was the first combat submarine to sink a warship (USS ...
Headband: The beginning of headbands was no later than around 475 BC to 330 BC, with the ancient Greeks, who wore hair wreaths. Helepolis: Greek siege tower. Heron's fountain: Heron's fountain is a hydraulic machine invented by the 1st century AD inventor, mathematician, and physicist Heron of Alexandria.
Sudan is situated in North Africa, with an 853 km (530 mi) coastline bordering the Red Sea. [199] It has land borders with Egypt, Eritrea, Ethiopia, South Sudan, the Central African Republic, Chad, and Libya. With an area of 1,886,068 km 2 (728,215 sq mi), it is the third-largest country on the continent (after Algeria and Democratic Republic ...