Soldering tools are used in electrical work for intricate tasks, and there are tools available for different applications. A soldering iron can make a series of wire strands into one solid strand, which ensures that the wires won't separate or fray when attached to the terminal. A soldering pencil is useful for more intricate jobs like repairing a circuit board, and a soldering gun is helpful for joining two wires. In cases where you want to remove solder, such as in a circuit board repair, you'll need a desoldering tool, which is pretty inexpensive. These tools have a temperature control so they don't impact the elements around the area. They essentially melt the solder and then vacuum it out.