Those firms which produce natural resource by growing plants, like wheat and barley, digging for minerals, such as coal and copper, or breeding animals, are called primary firms and belong to the primary section or primary industry in an economy.
Using natural resources to make other goods is a process called manufacturing and firms that engage in this activity belong to the manufacturing or secondary industry
A great many firms do not produce any goods at all. Many sell goods, transport them, or provide financial services, like the banks and insurance companies.
- Google Pict. Growing (Accsess on February 9,2016)
- Google Pict. Manufacturing (Accsess on February 9,2016)
- Google Pict. Transport (Accsess on February 9,2016)
- Moynihan. D & Brian Titey. (2015). Economics, A Complete Course for IGCSE and O Level: University of Cambridge International Examination.
Dan Moynihan & Brian Titey. (2015). Economics; A Complete Course for IGCSE and O Level. 2015. hlm 208