I agree with the author of the previous message, it is a completely useless institution, in terms of communication with customers, not everyone is so friendly, some even hang up. Upon request, they do not provide regulatory information, although it is part of the duties of those who are not competent in certain matters. The elementary problem is not eliminated immediately, only after repeated treatment.
A completely useless institution, one normal, knowledgeable plumber, and one janitor. It is unclear to the rest what the money is being paid for, including residents who are being charged for sanitary maintenance. (item 8).