Investigators often use special dogs known as accelerant detection canines trained to smell ignitable liquids. Investigators often use special dogs known as "accelerant detection canines" trained to smell ignitable liquids. It is common for the words fire accelerant and ignitable liquid to be used synonymously. Gasoline was the primary accelerant used in each fire. Ethylene thioureas are an excellent accelerant of vulcanization of neoprene and polychloroprene rubbers. A can of accelerant left on the floor combusts, resulting in Derek being burned alive. Drops of lemon flavoring may be added to the sauce as a fire accelerant. A petrol-like accelerant was poured upon their bodies. Note, however, that irregular patterns may be found in fires involving no accelerant. Rather, Twitter and Facebook were more like "a spark and an accelerant", "catalyzing pro-democracy movements". It is revealed that the fire was started deliberately by use of an accelerant. F&EIS also consists of eight bomb techs, five bomb dogs and five accelerant detector dogs. A typical burn pit used jet fuel (usually JP-8) as the accelerant. As MTA is mainly composed of calcium-alumino-silicate, PAA (polyacrylic acid) is an accelerant for MTA. The team set fire to the couch, without the use of accelerant.