<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The primary sector of the economy is the sector of an economy making direct use of natural resources or exploit natural resources . This includes agriculture, forestry, fishing and mining . In contrast, the secondary sector produces manufactured goods, and the tertiary sector provides services . </P> <P> The manufacturing industries that aggregate, pack, package, purify or process the raw materials close to the primary producers are normally considered part of this sector, especially if the raw material is unsuitable for sale or difficult to transport long distances . </P>

Why is primary sector also called agriculture and related sector