Soldering is a special way of making an electrical connection, like welding, but only with electrical connections. The most important thing to have is the Soldering Iron and that is what I will be talking about. N1. you can get a gun-type soldering Iron with 140 watts, is good for an all-rounder tool and for heavy wiring. N2. You can also get a Soldering station, which is good, because you can control the temperature on it, and it has a very fine Soldering tip which you can use for PCBs and other smaller wires. N3. A Pencil type Iron with 40 watts is also good for many things, but generally, Soldering Stations are better. N4. Another great Iron, especially for outdoors is a Waller unit Iron, with changeable tips, it is run on butane, so you do not have to plug it in anywhere. But it is not so reliable if you are working on a bench. So there are some of the Soldering Irons you could buy. But no Iron is complete if it does not have some Solder. There are Solders that come in lead and lead-free forms both of which
Have flux in the middle.