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
Cuisine of the Americas American cookery. The term "regional" is somewhat ambiguous, however, since, for example, the cuisine of Puerto Rico can differ markedly from Cuban cuisine; Mexican cuisine spills across the border into the Tex-Mex and Mexi-Cali "sub-cuisines"; and the cuisines of Michigan and Ontario have more in common with each other than either has with the cuisines of Manitoba or Iowa. Some of the richest products of South American cuisine come from the middle of the continent, the Amazon basin. In countries like Peru, there is a strong influence of the Inca and their cuisine. Potatoes are frequently grown as a result