The construction industry is also in the secondary sector. Tertiary sector ... that operate in the primary sector would be farming, mining, fishing or oil production. The secondary sector of ...

Secondary sector companies produce goods using the raw materials harvested by primary sector companies. Manufacturers are secondary sector companies. Tertiary ... stages of the production cycle ...

Primary agricultural ... nature or from the primary sector. Secondary agricultural goods are treated products and preparations from primary agricultural goods. Together, these form the main definition ...