Welding torches are a useful tool for garage or farm. A welding torch is simply a canister of gas with a torch assembly screwed to the top or connected to a hose for small to large areas of welding. The heat from the torch is capable of melting solder and is an efficient way of doing welding at the shop or on the go. The various types of gas cylinders determines the ability to weld certain materials. The actual torch end is a simple to use mechanism, with big results. The torch lights as an actual flame, fueled by the gas. It is hand held and its strength is controlled by a valve on the torch itself. These torches are made for varying degrees of welding with different types of metals . The torches can be low cost and economical, sometimes preventing you from having to pay someone else to do light welding.