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 emphasis was shifted to "shade house cultivation", with less-intensive labour required (due to the controlled indoor climate), and reduction in chemicals necessary for outdoor farming. Controlled growth resulted in an export record or 12 tons in 2010. In the present day, the production is largely locally utilized in view of Tahitian vanilla becoming a "status symbol of cultural identity and pride in Polynesia." Promotional actions instituted by the government to act upon this pride and boost vanilla production are many; even a dessert served by an airline in the on-board meal is infused with Tahitian vanilla. As of 2013, vanilla