Service industries workers Service industries 4 Professional employees 2 Civil service 1 Civil service positions 1 Effect of technological innovations on 1 Employees 1 Employment 1 Executives 1 History 1 Human services personnel 1 Labor unions 1 Manpower policy 1 Municipal services 1 Nonprofit organizations 1 Professions 1 Public administration 1 Public officers 1 Self-service (Economics) 1 Statistics 1 Vocational qualifications 1 White collar workers 1