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 Spain's north coast, and has connected the cities of San Sebastián, Bilbao, Santander, Oviedo and Ferrol to Leon since 1982. Operated as a holiday service, the carriages of the train are furnished with bedrooms, lounges and restaurants and voyages typically last eight days and seven nights. FEVE also operated "normal" regional (express and stopping) services (in sections) from Ferrol to Hendaya (some sections operated now by regional operators). One of the longest regular (non-tourist) FEVE service operated between Leon and Bilbao (a journey of some 7 hours). FEVE also operated a range of "cercanías" or commuter services. The main commuter