Question: How fast has the Gabonese client of agent Oscar Damiani been able to run 30 metres?

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Experimental Radio Station Eberswalde: The Experimental Radio Station Eberswalde was an experimental radio station of the company Carl Lorenz founded in Eberswalde, Germany in 1909.  It used an umbrella aerial, which was carried at a 70 metres high, guyed central mast and at the corners on 16 30 metres high timber masts, as antenna system.  The central mast was a wood-latticed mast with a weight of 10,2 tons, guyed in 5 levels.  As transmitters arc and machine transmitters were used, which served mainly for the purpose of telegraphy.  Between January 1923 until January 1925, music transmissions were also done, although the station was never a regular broadcasting station.  Starting from 1924, the station was used for short wave experiments.  In 1928, the first experimental radio beacon was built on the Experimental Radio Station Eberswalde.  It worked in the medium-wave band and used a triangle plane aerial, which was hung up on three 28 metres tall masts.  Starting from middle of the 1930s, the Experimental Radio Station Eberswalde was gradually shut down.  In 1939, the entire antenna systems including the central mast were dismantled.  Starting from 1942, the buildings were used for a research centre for peat utilization.  One hoped to be able to make fuel from peat.  From 1954 to 1963, the facilities, which are unused today, served for the forest-economy faculty of the Humboldt University of Berlin.

Gabonese Territorial Assembly election, 1957: Territorial Assembly elections were held in Gabon on 31 March 1957.  Although the Gabonese Democratic and Social Union (UDSG) won 14 of the 40 contested seats, the Gabonese Democratic Bloc was able to form a 21-seat coalition with the Entente–Defence of Gabonese Interests (a list headed by BDG member Paul Yembit) and five other MPs.

Macau Forum: Macau Forum (，Portuguese: Forum de Macau ) Connected to the adjacent IPM Multisport Pavilion and Media Centre, Macau Forum used to be the largest indoor venue in Macau before the completion of the Macau East Asian Games Dome.  It comprises two pavilions: The main pavilion has a capacity of up to 4,000 and offers a competition area of 45 metres by 25 metres with a ceiling height of 12 metres; The second pavilion can accommodate over 300 people with theatre-style-seating format and offers a performing area of 30 metres by 15 metres, which is suitable for different spectator sports and shows.

Oscar Damiani: Giuseppe "Oscar" Damiani (born 15 June 1950) is an Italian former professional football winger.  He is currently the agent of Borussia Dortmund striker Pierre-Emerick Aubameyang.

Azam mosque of Qom: On 22 June 1954 The foundation stone of this great mosque was laid in a religious customs.  That day fell on the birth day of Ali al-Ridha, eighth Imam of shia.  The construction of it was ended in 1961.  Azam mosque had been built basis on the Islamic architecture.  This mosque made of four prayer halls and three towering balconies.  The diameter of the large dome of the mosque is 30 metres and its height above the roof of the mosque is 15 metres and 35 metres from the basement of the mosque.  The minarets of the mosque has 25 metres length above the roof of the mosque and 45 metres from the basement of the mosque.  The upper part of the minarets is 5 metres .  It has special section and used to call to prayers (A'zaan).  A towering clock tower with a big clock is located in the north of the mosque and this tower can be seen from all the four sides of the mosque.

Pierre-Emerick Aubameyang: Pierre-Emerick Emiliano François Aubameyang (] ; born 18 June 1989) is a French-born Gabonese professional footballer who plays for German Bundesliga club Borussia Dortmund and the Gabon national team.  He is known for his speed, having clocked 30 metres in 3.7 seconds, and his capability of playing as a forward or a winger.

Buttress root: Buttress roots are large roots on all sides of a shallowly rooted tree.  Typically, they are found in nutrient-poor rainforest soils and do not penetrate to deeper layers.  They prevent the tree from falling over (hence the name buttress) while also gathering more nutrients.  Buttresses are tension elements, being larger on the side away from the stress of asymmetrical canopies.  The roots may interwind with buttress roots from other trees and create an intricate mesh, which may help support trees surrounding it.  They can grow up to 30 ft tall and spread for 30 metres above the soil then for another 30 metres below.  When the roots spread horizontally, they are able to cover a wider area for collecting nutrients.  They stay near the upper soil layer because all the main nutrients are found there.

Kollóttadyngja: Kollóttadyngja is a volcano in the Ódáðahraun lava-field in Iceland.  Its height reaches 1,177 metres, and it has a diameter of 6–7 km.  The summit crater is 800 metres in diameter, but only about 20–30 metres deep.  In its centre, there is a bowl about 150 metres in diameter with a depth of about 60–70 metres.

Iriški Venac Tower: Iriški Venac Tower (] ) is a 170 metres tall TV tower built of concrete on Iriški Venac near Novi Sad, Serbia.  It consists of a 120 metres tall concrete structure with two baskets on which the 30 metres long section with FM-antennas has been placed.  On the pinnacle a 20 metres long TV antenna is placed.

The Wreck (surf spot): The Wreck is a surf spot located at Byron Bay, New South Wales, Australia.  It is approximately 30 metres off the shore of Belongil Beach (at the town end), and approximately 60 metres from the Main Beach Car Park.  The Wreck is named for the remains of the ship "Wollongbar" lodged just offshore.  The ship lost its tie to the old Byron Bay Pier during a cyclone in 1922 and sank.  It is approximately 30 metres long running parallel to the beach.  On the eastern end of the Wreck one can see the rudder tiller and at low tide one can see the boilers.

Supporting paragraphs: Oscar Damiani Pierre-Emerick Aubameyang
Answer: 3.7 seconds