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Reverse osmosis is a common process to purify or desalinate contaminated water by forcing water through a membrane. Water produced by reverse osmosis may be used for a variety of purposes, including desalination , wastewater treatment , concentration of contaminants, and the reclamation of dissolved minerals. [ 1 ]
North Korea originally relied on Soviet and Chinese made tanks before they started developing their own tanks, starting with the Chonma-ho tank. Newer Pokpung-ho and Songun-915 (a 'Pokpung-ho' with cast turret and modified hull) [5] [6] tanks would be developed and introduced in the early 21st century but were still heavily influenced by old Soviet/Russian and Chinese tank designs; namely by ...
An American-West German joint project to develop a new main battle tank. Never entered service. Vickers MBT Mark 1: 1964 1965 United Kingdom: 376 38 t 535 hp 480 km British private venture design for export. 1965 India: 2,200 39 t 535 hp 530 km Vijayanta was the Indian license-built version of British Vickers MBT Mark 1. 1970 Kuwait: 70 38 t 535 hp
The first M1 tank was manufactured by American armoured vehicle manufacturer General Dynamics Land Systems in 1978 and was first delivered to the US Army in 1980. Each model costs around $10m to ...
Leonardo da Vinci sketch of his armored fighting vehicle. Leonardo da Vinci is often credited with the invention of a war machine that resembled a tank. [6] In the 15th century, a Hussite called Jan Žižka won several battles using armoured wagons containing cannons that could be fired through holes in their sides, but his invention was not used after his lifetime until the 20th century. [7]
RO production train, North Cape Coral Reverse Osmosis Plant. In 1977 Cape Coral, Florida became the first US municipality to use RO at scale, with an initial operating capacity of 11.35 million liters (3 million US gal) per day. By 1985, rapid growth led the city to operate the world's largest low-pressure RO plant, producing 56.8 million ...
During World War I, German sources tended to refer to British tanks as tanks [9] [10] and to their own as Kampfwagen. [11] Later, tanks became referred to as "Panzer" (lit. "armour"), a shortened form of the full term "Panzerkampfwagen", literally "armoured fighting vehicle". In the Arab world, tanks are called Dabbāba (after a type of siege ...
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