_Problems.--How may we improve our home conditions of living?_
_How may we help improve our conditions at school?_
_How does the city care for the improvement of our environment?_
_(a) In inspection of buildings, etc._
_(b) In inspection of food supplies._
_(c) In inspection of milk._
_(d) In care of water supplies._
_(e) In disposal of wastes._
_(f) In care of public health._