Tonka (fuel) necessary for the mixture to work as desired, rather than fail catastrophically, is a function both of the ingredients' purity, and of their temperature during use. 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
Vanilla production in French Polynesia subsequently developed in the area and came to be popularly known as Tahitian vanilla. This has special characteristics compared to the varieties such as "Vanilla planifolia" grown in other parts of the world"," particularly in respect to taste and scent. It has resulted in greater demand for the Tahitian variety. The introduction occurred only one year after France made French Polynesia its protectorate, and over the next 40 years it became a major export to the United States, France, and Britain. Initially the vanilla plantations were owned by French mainland transplants; later, the local Tahitians learned the processes and became