There are a wide range of industrial processes that have become crucial for the manner in which you have currently chosen to end up living your life, and one of these processes is welding. Welding is a pretty useful thing to take part in at any given point in time, and a big part of the reason why that is the case has to do with the fact that it can help make two bits of material join up at each end which allows you to convert them into an actually useful product in some way, shape or form.
That said, when you are trying to choose a process that can help you meet your industrial needs on a more or less regular basis, suffice it to say that you need to know enough about them so that you can do them safely. As far as welding is concerned, the way that it works is that a heating element is used to melt any material that can be melted such as metal and the like. One thing to note is that the heating element does not get so hot that the metal starts to burn, instead it gets up to the bare minimum temperature that is required for these types of processes.
You will likely need special tools if you want to weld something or the other together. These tools emit heat a great deal more efficiently than everyday objects, so it is worth investing some capital into them as they can greatly reduce your work times and allow you to complete projects so efficiently that you would have people lining up outside your door and trying to hire you all in all.