http://www.youtube.com/watch?v=E4p87ZihV-o

 this is a prezi presentation explain what secondary sector is and its activities

 1.1 INDUSTRY

Industry is the biggest economic activity in the secondary sector, transformingraw materials into finished products for direct consuption or semi finished products

• RAW MATERIALS: natural products which industry transforms into finished products
• ENERGY SOURCES: natural resources which provide the neccesary power to drive machines and carry out process of industrial transformation
• PORDUCTION FACTOR: workers or workforce, the capital and the technology