The unclassified service shall include but not be limited to the following:
a. All officers elected by the people.
b. All members of boards and commissions.
c. All clerical personnel.
d. All heads of departments except heads of police and fire departments if full-time employees.
e. All officers and employees appointed by the Administrator, the Mayor and/or Council.
f. All unskilled laborers, truck drivers and employees of the service department.
g. All persons appointed to fill vacancies in elective offices.
h. All positions or any offices requiring peculiar, professional, or exceptional qualifications.