How long does it take to learn plumber?

The starting time of electricians is generally more than half a year to 1 year.

There are three ways to learn plumbers: learn plumbers introduced to acquaintances and friends, and become masters for at least half a year to 1 year. Go to his construction site with my brothers and friends to do coolies and study, and you will become a master in at least 2~3 years. Find the news of the apprentice through the network group, talk to the boss, learn from him, and become a master at least six months to 1 year.