Spanish omelette tortilla") to be eaten as a finger food. The first reference to the tortilla in Spanish is found in a Navarrese document, as an anonymous "Mousehole's memorial" addressed to the Navarra region's court in 1817. It explains the sparse conditions of Navarre's farmers in contrast with those in Pamplona (the capital) and la Ribera (in southern Navarre). After listing the sparse food eaten by highlanders, the next quote follows: "…two to three eggs in tortilla for 5 or 6 [people] as our women do know how to make it big and thick with less eggs, mixing potatoes, breadcrumbs or whatever."
Vegetable oil and dammar resin), for example, is used almost exclusively in treating the hulls of wooden boats. Vegetable oils are increasingly being used in the electrical industry as insulators as vegetable oils are not toxic to the environment, biodegradable if spilled and have high flash and fire points. However, vegetable oils are less stable chemically, so they are generally used in systems where they are not exposed to oxygen, and they are more expensive than crude oil distillate. Synthetic tetraesters, which are similar to vegetable oils but with four fatty acid chains compared to the normal three found in a natural