Moscow City Council

But the story of a taxi in Moscow has more than one hundred years. The first driver, marking his car poster notifying the provision of such services in Moscow, appeared in 1907, his example was followed by many other cab drivers, and delivery to the right place for the agreed fee in Moscow is gradually gaining momentum. Then take advantage of taxi driver could afford only the bourgeoisie. But the revolution in 1917 led the industry in decline. However, in 1924 with the adoption of Moscow City Council decision to create a park taxi, starts a new flowering of these services. Taxi driver taxi to 1926 can be used only in Moscow and Leningrad. Russian taxi fleet then consisted of several hundred machines, whereas abroad they were already thousands of them. The next step was the release of taxi flourishing domestic car GAZ-A in 1934, but a significant drawback of this car was an open body that did not allow use the machine in the winter.

The second drawback was a small luggage compartment. Taxi required, mainly to people moving from large luggage. GAZ-A could not satisfy this requirement. However, during their Release taxi fleet has increased by 6 times. Issue the following model GAZ-M1, which began production in 1936, decided some of the shortcomings the previous one. The basis of the production was taken while the popular American Ford. Among advantages include the GAZ-M1-metal body, more powerful engine, a modified frame, design, etc.

In addition, the release of this model made taxi accessible to more people. Improved, the GAZ-M20 already satisfied most of the requirements for the taxi. Start the assembly – June 1946 This car could be attributed to the number of comfort – in the cabin was located 5 people appeared heating and receiver. Chess strip along the side and the light signal began to distinguish taxis from other vehicles in 1948, many of today's citizens have all the taxi stronger association with all the familiar Volga. But few know that the era of its production began with a model of 21st in 1957 year. Subsequently improved and the appearance and internal characteristics of this car: engine power, gearbox, heating and ventilation system, etc. At the moment, is already a model GAZ-31105 Volga. Today taxi takes passengers to the risks of the private carting. A person can choose the time, place of delivery of the machine, make of car and knows in advance the cost of the trip. A book can not only taxi in Moscow, but also in any other city Russia.

Plastisol

Plastisol – a decorative polymer consisting of polyvinyl chloride and plasticizers. Externally has composite drawing. The thickness of the coating to a roofing sheet metal always equal to 200 microns. Performed well with double-sided sheets of plastisol coated to a hundred microns on each side. This material is used, for example, for the manufacture of pipes and gutters. Due to the large thickness of the coating plastisol remains one of the most resistant to mechanical faults. However, because of the low temperature resistance and low resistance to ultraviolet radiation (exposure to direct sunlight over +80 C material is aging rapidly), it can not be used in the southern regions (recommended to use light colors in hot regions).

Having a greater thickness, plastisol has proven resistant to corrosion, making it more patronage in polluted environment. Colour fastness plastisol coating is much lower than polyester (covering a few years uniformly loses clear color). Material pvdf – a coating consisting of 80% polyvinyl fluoride, and 20% of acrylic. Such a coating can withstand temperatures down to – 60C, and not lose its properties subject to +120 C. Most resistant to uv radiation, virtually no fade, has a beautiful sheen. When compared to other coatings is the most expensive, has high resistance to aggressive media and mechanical damage.

Has a glossy or matte surface, has an extremely rich color palette, as well as with metal shade in silvery or copper tones. It is best to use pvdf in environments such as seaside, industrial buildings of the chemical industry, etc. Pural (Puran) – a coating based on polyurethane-modified polyamide. Manufacturer – the firm Ruuki (Finland). Has shelokovisto-matte surface structure. This coating has a thickness of 50 microns. Puranas have shown to be resistant, resistant to uv radiation and the effects of aggression during installation. Material excellent bends easily and without damage is subject to folding and mounted. Recommended term treatment of range:-15C to +120 C. Metal prism prevails on all technical characteristics of pvdf consisting of polyvinyl fluoride (80%), is the latest color shades. Prism is optimized, the hot metal coating Galvalloy and made of steel. Through the application of the base with a metal coating is achieved by the strength of metal-coated prism with high-quality pre-treatment, coating and paint-resistant layer. This provides a higher degree of durability and high resistance to mechanical deformation conditions (high wear resistance – high resistance to scratching). Cover, putting on metal roofing prism is a hot coatings applied to steel, which consists of 5% aluminum and 95% zinc. This corrosion protection is another plus, in the direction of which can be inclined at a choice of roofing material. Price per sheet varies from 350 rubles.

Twentieth Century Aviation

The development of aviation began at about age 18-19, it was from that moment begins to exist at all because such a thing as a flying machine. This concept is formulated by George Cayley. But a serious increase in aviation truly began only in 1903. If you remember, during this year the Wright brothers took off on his "Flower". Forty years of hard work and classic aircraft has reached its highest point, further development could bring only one thing – to decrease in speed and power, but then began a new era in the development of aviation. The era of aviation.

Discovery can be read from in 1936. That was the year officially came to exist a new line of "Zeppelins", on which he began his travels around the world airship – Ginderburg. It is the development of passenger aviation industry has pushed to large steps and military aviation. For a start it should be noted that instead of the classic aircraft came to aviation reactive. Beginning of an era of jet planes can say that began in 1930. This year, the first turbojet was patented cadet summer school Whittle.

And after nine years, flew the first airplane with the engine design background Ohayna. So, finally, the development aviakonstruirovanie beginning to rise sharply. Now let's look back at the beginning of 20 century. 1903 – Wright brothers. 1914 – there were already aircraft that was forced to look for parties and to "choose", it was the aircraft Yakov Gakkel, dp Grigorovich, Igor Sikorsky, and others.