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 steel and coal, fueling much of the country's industry. Renfe Feve Renfe Feve is a division of state-owned Spanish railway company Renfe Operadora. It operates most of Spain's of railway. This division of Renfe was previously a stand-alone company named FEVE (Ferrocarriles de Vía Estrecha, Spanish for "Narrow-gauge railways"). On 31 December 2012 the Spanish government simplified the organization of train companies merging Feve into Renfe and Adif. The rolling stock and the brand FEVE was transferred to Renfe (renamed to "Renfe Feve") and the infrastructures were transferred to Adif. FEVE was created in 1965, as a successor to the