Rainbow Towers Hotel Harare.

ZIMSEC O Level Geography Notes:Industrial Studies: Types of industry:Tertiary/Service Industry and Quaternary Industries

Tertiary or service industries

  • These industries provide back-up services to primary and secondary industries so that their functioning becomes easier.
  • Examples include administration, retailing, transport and distribution, power supplies, health, education and housing.
  • These industries are closely linked with each other, with manufacturing and with other services like banking, insurance and information.

Quaternary industries

  • These include high technology industries which have rapidly developed within the last 25 years.
  • Processing done here involves micro-electronics such as those of Microsoft industries but included here is manufacture of precision medical tools, biotechnology and pharmaceuticals.
  • Information, office work expertise and research and development constitute major inputs into these industries.
  • In advanced countries, much of the labour force is employed in these industries.

To access more topics go to the O Level Geography Notes page