Primary Industry[edit | edit source]
This is the main production of LEDCs, with their exports of primary products.
Primary products include: wood, agriculture, minerals, and fish.
This requires minimal processing.
Secondary Industry[edit | edit source]
This is the processed of manufactured goods that were first primary products.
Tertiary Industries[edit | edit source]
These are services such as: schools, hospitals, media, armed forces etc.
Quaternary Industries[edit | edit source]
This is research and development.