Job Recruitment Website - Property management - Which is more promising, being a plumber in a property company or an operator in a sewage treatment plant?

Which is more promising, being a plumber in a property company or an operator in a sewage treatment plant?

First you have to ask yourself, your family, where do you want to go?

Secondly, what are the prospects of these two places? It seems that the sewage treatment plant has a bright future, but only those who are engaged in it know it.

Finally, what do these two jobs need to pay?