Raw materials are transformed.
Audio: Secondary sector
- Energy industries
- Petroleum
- Gas
- Electrical Power
- Nuclear Power
- Renewable Energy
- Tradicional Energy
- Construction industries
- Non-residential
- Heavy industrial
- Institutional and commercial
- Engineering
- Residential
- Base industries
- Chemical industry
- Metalurgical industry
- Capital good industries
- Automotive industry
- Machinery and equipment
- Shipbuilding
- Aeronautical engineering
- Armament industry
- Electronic industry
- Consumer good industries
- Food industry
- Craft industry
- Graphic arts
- Factory work
- Furniture