TIG uses non-consumable electrodes and very different arc which allows for continuous, uninterrupted work resulting in a flawless finish. Another advantage is that, by being able to use a filler metal or not, TIG welders enjoy a certain versatility. The disadvantage is that TIG welding is very complicated and the welders are very experienced and professionally trained due to the complicity given and the high skill required of the welders. It is also a slow soldering process that is less productive in certain situations and does not produce as much efficiency in the product as they should