The department details page, accessible from Settings -> Human resources -> Departments page, shows the department's information.
This page allows creating or editing an existing department.
It's possible to choose whether the cost of labor when estimating manufacturing costs will be taken as the average Hourly wage of the employees in the department, or some other manually defined amount.
Once an operation is reported by a worker, the worker's (user's) hourly wage is used for exact calculation, not the department's hourly rate, which is used only for estimation.
Users can be added to departments at the user's details page accessible from Settings -> Human resources -> Users page.