If you learn sheet metal technology, how much is the apprentice? How long will it take? Is it difficult?

Generally, sheet metal is relatively simple, mainly due to caution, but it is also dangerous. Generally, I work as an apprentice in a factory that makes food machinery, because food machinery generally doesn't make a lot of equipment and is relatively easy to use. If its qualification is not too bad, it is no problem to be an apprentice for one month (including learning argon arc welding). The salary of apprentices in Zhucheng is about 2,500, the number of skilled workers is 3,500-4,000, and those with excellent ability are all above 4,000, and the work is not capped ~