The work of people in society can be categorized into four main industries, often referred to as sectors. These are:
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Primary Industry: This sector involves the extraction and harvesting of natural resources. It includes activities like agriculture, mining, forestry, and fishing.
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Secondary Industry: This sector encompasses manufacturing and industrial activities where raw materials from the primary sector are transformed into finished goods. It includes industries such as construction, automobile manufacturing, and food processing.
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Tertiary Industry: Also known as the service sector, this category involves the provision of services rather than goods. It includes education, healthcare, retail, finance, and hospitality, among others.
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Quaternary Industry: This sector focuses on knowledge-based services involving research, information technology, financial planning, and consulting. It includes services that involve the creation and transfer of knowledge and information.
These four categories help to describe the diverse types of work and economic activities in a society.
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