Explain the different types of employment and give at least one example of each

Primary employment: Taking raw materials directly from the earth or sea (farmers, forestry workers and miners)
Secondary employment: The processing and manufacturing of the primary products (steel workers, ship builders and furniture workers)
Tertiary employment: Providing a service for the public (education, health, transport)
Quaternary employment: Providing information and expertise (computer worker, microchip manufacturer)