Question: what are the two main categories of welds?
Answer: MIG Welding. MIG welding is one of the easier types of welding for beginners to learn. ... 
Stick Welding. Stick welding, also known as Arc welding, is doing it the old fashioned way. ... 
TIG Welding. ... 
Plasma Arc Welding. ... 
Electron Beam and Laser Welding. ... 
Gas Welding.