A flame thrower is a device designed to project a stream of fire. It typically consists of a fuel tank, a nozzle, and a mechanism to ignite the fuel. Flame throwers have been used in military applications, particularly during World War I and World War II, for clearing obstacles and in trench warfare. In addition to military use, flame throwers have also found applications in agriculture, such as controlling weeds and pests. They can be used in controlled environments for tasks like land clearing and in some industrial processes. Safety precautions are essential when operating a flame thrower due to the inherent risks of fire.