xxx: And in general, I think, once the teacher of computer science should stretch the grid, let the teacher of physics make the electrical wiring.
YYY: Teachers of economics replace accountants
YYY: Teachers of Physics - Watchers
yyy: labor - sanitary technicians
XXX: I am about the same thing.
yyy: biology - doctors
XXX: chemists and cookers
YYY: Everyone has a job. School budget savings