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The Mail & Guardian Online was jointly owned by internet service provider MWEB and publishing company M&G Media until M&G Media purchased 100% of the operation in 2008. It has interactive news photo galleries, discussion forums and special reports on subjects such as Zimbabwe, HIV and South African President Jacob Zuma. It is known for hard ...
Nelson Mandela casts his vote in the 1994 election. Following the election of 27 April 1994, Nelson Mandela was sworn in as President of South Africa. The Government of National Unity was established; its cabinet made up of twelve African National Congress representatives, six from the National Party, and three from the Inkatha Freedom Party.
The first prototype YA2F-1, lacking radar and the navigational and attack avionics, made its first flight on 19 April 1960, [8] [9] with the second prototype flying on 28 July 1960. [ 10 ] The test program required to develop the aircraft took a long time.
The manufacture of porcelain became highly organised, and the dragon kilns excavated from this period could fire as many as 25,000 pieces at a time, [22] and over 100,000 by the end of the period. [23] While Xing ware is regarded as among the greatest of the Tang dynasty porcelain, Ding ware became the premier porcelain of the Song dynasty. [24]
For commercial jet aircraft the jet noise has reduced from the turbojet through bypass engines to turbofans as a result of a progressive reduction in propelling jet velocities. For example, the JT8D, a bypass engine, has a jet velocity of 400 m/s (1,450 ft/s) whereas the JT9D, a turbofan, has jet velocities of 300 m/s (885 ft/s) (cold) and 400 ...
The wearing course, also known as a friction course or surface course, is the upper layer in roadway, airfield, and dockyard construction.The term 'surface course' is sometimes used slightly different, to describe very thin surface layers such as chip seal.
The MiG-21 jet fighter was a continuation of Soviet jet fighters, starting with the subsonic MiG-15 and MiG-17, and the supersonic MiG-19.A number of experimental Mach 2 Soviet designs were based on nose intakes with either swept-back wings, such as the Sukhoi Su-7, or tailed deltas, of which the MiG-21 would be the most successful.
The M-55 set a total of 15 FAI world records, all of which still stand today: [8] On 21 September 1993, an M-55 piloted by Victor Vasenkov from the 8th State R&D Institute of the Air Force named after V. P. Chkalov at Akhtubinsk reached a class record altitude of 21,360 m (70,080 ft) in class C-1j (Landplanes: take-off weight 20,000 to 25,000 ...