The biggest cities in the world most complex highway interchange

The World's Largest Highway Network,China

The world's Fastest  Maglev Train,Japan

amazing chinese bullet train racing behind

awesome car shredders Slow Speed

2.6M views Watch and share everywhere 

japan's monorail track switching,hd

7.4M views 

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بطاقات أفراح وتصاميم

15 Day old Kittens cute babies

My cat has grown four different cats

Watch the Japanese train running through the center of the capital

Watch Most kinds of Japanese Bullet trains

Watch Most kinds of Japanese Bullet trains

strange bridge through a building

OSAKA Gate Tower

See trains How do they plow the snow off of railroad tracks

The Chinese train is racing the wind-Video

The Chinese train is racing the wind

fastest ever bullet train tested by Japan

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Stadler rail trains-Video

Stadler rail trains Stadler Rail AG, also known as Stadler Rail Group, is a Swiss manufacturer of railway rolling stock, with an emphasis on regional train multiple units and trams. Stadler is headquartered in Bussnang, Switzerland. Stadler Rail is also focused on niche products and is one of the last European manufacturers of rack railway rolling stock. The holding company consists of eight subsidiaries with locations in Algeria, Germany, Italy, the Netherlands, Austria, Poland, Switzerland, Spain, Czech Republic, Hungary and Belarus. Stadler Rail employed approximately 6,100 employees by 2012, including 2,750 in Switzerland, 1,200 in Germany, 1,000 in Belarus, 400 in Hungary and 400 in Poland. This had increased to 7,000 employees by 2017.] Stadler formed joint venture with Azerbaijan-based company International Railway Distribution LLC in 2014.

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Amazing New drilling technology ,Flow Drilling-Video

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Amazing New drilling technology ,Flow Drilling-Video

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China's latest engineering marvel-Video

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China's latest engineering marvel-Video

World’s tallest horizontal skyscraper’ will feature two swimming pools, restaurants and a light show 820ft in the air A Chinese city is about to complete the country's new landmark after six years of construction. The project was designed by architect Moshe Safdie. It was inspired by Chinese sailing vessels and is a tribute to Chongqing historical past as a maritime trading centre. An enormous commercial complex comprising eight skyscrapers, the £2.7 billion mega-structure in Chongqing, south-west China, has a huge rooftop corridor laid across the tops of four 60-storey buildings at 820 feet. Stretching 984 feet in length as if a horizontal skyscraper, the spectacular glass-walled structure is nearly as long as The Shard in London laid on its side and three times the height of the Statue of Liberty in New York. The property, called Raffles City Chongqing, is invested by Singaporean real estate company CapitaLand which owns a chain of shopping malls and office buildings across China.

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Bad joint track train rail-Video

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Trains actually don't make that sound. The rails make it. A rail is not a single metal piece but a series of rail pieces with certain length. ... The sound is generated because of the lateral movement of the wheels and subsequent connection/friction with the tracks. Train noise is vehicle noise created by trains. Noises may be heard inside the train and outside. Various parts of a train produce noise, and different kinds of train wheels produce different amounts of noise. Noise barriers can attenuate the noise. Subways, Light Rail transit and freight trains can send loud train noise into neighborhoods. Organizations such as the World Health Organization and the U.S. Environmental Protection Agency have set guidelines for noise level decibel limits for Rapid Transit Train noise can be a type of environmental noise. When a train is moving, there are several distinct sounds such as the locomotive engine noise and the wheels turning on the railroad track. The air displacement of a train or subway car in a tunnel can create different whooshing sounds. Trains also employ horns, whistles, bells, and other noisemaking devices for both communication and warning. Trains propelled by electric traction motors often produce electromagnetically-excited noise. This high pitch noise depends on the speed and torque level of the machine, as well as on the motor type. Variable frequency drives use Pulse-width modulation technique which introduces additional current harmonics, resulting in higher acoustic noise. The switching frequency of the PWM can be asynchronous (independent of the speed), synchronous (proportional to the speed), but always results in acoustic noise varying with speed. Flange Squeal is the sound of the flanges of the metal train wheelset turning on the train track.

Bad joint track train rail.

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