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BMW's history began in 1916 and translated into bayer in China's early years. The company was originally an aircraft engine manufacturer, and in 1917 it was a limited liability company, and in 1918 it changed its name to the Bavarian engine manufacturing company and went public. Jingqiu names "- otto high achievements in the field of aviation, made him with great ambitions to build cars, he later this decision, for the automotive history writing down a glorious page, that is by millions of fans love the German BMW depot today.
Indication of area: the size of the metal object detected can be displayed, and the requirement of the operator's research to determine whether it meets the excavation requirements;
In the workplace, the law of competition is that the strong have the rules of the game and the weak have the law of survival. As a team member, it must be remembered that only a fully functioning team is one of the most competitive teams. And only in one of the most competitive teams, the value of the individual can be maximizes! When you are on the team that piece of "short board", should help to accept "long wooden board", make every effort to improve their abilities, don't let yourself dragging the hind legs of the team, when you are on the team that piece of "long boards," you can not only advance footsteps, and ignore the existence of "short board", so, you harvest will be the same achievement as "short board". When we are in a team, only to find ways to make a short board to reach the height of the long wooden board, or keep all the board "enough" of equal height, can fully give play to the role of the team.
The rapid development of air filters is closely related to the development of military industry and electronic industry. In the first world war, the use of various chemical agents, asbestos fibre filter paper as the smoke filter layer of military gas masks came into being. The glass fiber filter medium is used in air filtration to obtain a patent in the United States in October 1940. In the 1950s, the United States studied the production process of glass fiber filter paper, and the air filter was improved and developed. In the 1960s, HEPA filters came out; In the 1970s, the filter paper of fine glass fiber was used as the HEPA filter of filter medium, and the filtration efficiency of particle size of 013 micron particle diameter was 99.9998%. Since the eighty s, with the emergence of new test method, use evaluation to improve and to improve the filtering performance requirements, found the HEPA filter there is a serious problem, and he had a higher ULPA filter performance. Countries are still working on it and expect more advanced air filters soon
The Albatros D series included the D.I, D.II, D.III, D.V, as well as the D.Va. This series rapidly evolved on account of battlefield needs, and most models were around for only months before being replaced. The D.I was powered with assorted engines, such as Mercedes D.III and the Benz Bz.III, which were powerful engines. Richthofen isn't recorded as flying a D.I, but he did fly the D.II, D.III, and D.V.
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