Tonka (fuel) Tonka (fuel) Tonka (also TONKA-250 and R-Stoff) is the name given to a German-designed rocket propellant first used in the Wasserfall missile; it has also more recently been used by North Korea but found its greatest applications (under the name TG-02) in the Soviet Union, for example, in the propulsion projects of the A.M. Isayev Chemical Engineering Design Bureau. Its name is a reference to the tonka bean; as it was invented during the Second World War, it has no connection to the similarly named toys. Its composition is approximately 50% triethylamine and 50% xylidine, with the most common oxidizer
Renfe Feve However, from 1978 onwards, with the introduction of regional devolution under the new Spanish constitution, FEVE also began transferring responsibility for a number of its operations to the new regional governments. This happened in Catalonia (FGC) in 1979, in a portion of the Basque (Euskotren) network in 1982, in the Valencian Community (FGV) in 1986, and with the Majorcan Railways (SFM) in 1994. That did not however occur in the Region of Murcia, where the narrow-gauge railway network remained under FEVE control. The above-mentioned EFE (Explotación de Ferrocarriles por el Estado) also operated the Carabanchel – Chamartín de la Rosa