Avgas (av iation gas oline), also known as aviation spirit in the UK, is an aviation fuel used in spark-ignited internal-combustion engines to propel aircraft. Avgas is distinguished from mogas (motor gasoline), which is the everyday gasoline used in motor vehicles and some light aircraft.
A symbol is an object or a concept that represents, stands for or suggests another idea, visual image, belief, action or material entity.Symbols take the form of words, sounds, gestures, ideas or visual images and are used to convey other ideas and beliefs.For example, a red octagon may be a symbol for STOP.n example of a symbol in this sense is Christ as a symbol of the archetype called self. For example, written languages are composed of a variety of different symbols that create words. Through these written words humans communicate with each other.
A symbol's meaning is always part of a larger a context or code of other symbols that is, symbols don't signify independently of other symbols but operate in a network of symbols. For instance, the symbol green . . .Green means go as long as red means stop.. In refrigerator meat compartments, green = stop.ymbol. Sy mbols are one of the most universal processes or products of human culture, and therefore persistently meaningful devices in literature, art, and all media. Absolutely everything our minds or voices speak, write, think, read, or process is a sequence, code, or network of symbols.