The basic types of welding joints can be classified depending upon the type of weld, e.g., fillet weld, butt or groove weld, plug weld, slot weld, spot weld, etc position, e.g., flat weld, horizontal...
Their are dozens of types of welding, consult the American Welding Society(AWS) for a complete layout. However there are 3 types that will be used the most. One of them very ancient and takes some...
You can do Shielded Metal Arc Welding (stick) with an appropriate electrode. If the machine has a high frequency arc stabilizer then you can also TIG (tungsten inert gas) weld aluminum. Wire feed...
TIG uses tungsten in a gun and electricity to melt the material, the user must manually add filler rod. Needs shielding gas
Mig uses a gun, but the filler rod flows out of the gun. Electricity flows...