If you learn to weld, you can use it on the job or just as a personal hobby. Welding is the most economical and efficient way to join metals permanently. It is the only way of joining two or more pieces of metal to make them act as a single piece. Welders help build metal products from coffeepots to skyscrapers. There are nearly 100 types of welding. There is some difference in each type. You will learn the difference in each type when you start welding. There is little bit of difference in each type of welding due to molecular nature of materials, required precision or due to the environment where welding takes place. For example: an astronaut may use an electron beam to weld thermoplastics when working on a satellite in space.

When you have learnt to weld, see to it that you give prime importance to safety. While welding always wear protective equipment to avoid burns. Always wear thick leather gloves, long sleeved apparel, goggles and specialized headgear to protect eyes from ultraviolet light. You can also learn to weld by reading a do-it-yourself (DIY) book on the subject or attending a workshop class. You can also learn to weld at a reasonable rate by attending private programs and educational courses taught in trade schools. If you attend a few weeks of training classes you can get enough knowledge for a low-skill job in welding. If you have several years of experience you can get a highly skilled job. Most of the welding work is done in manufacturing industry. Some of them include automobile manufacturing, aerospace applications and shipbuilding. Some people may attend welding classes so that they can do home repair.