List the four categories of industry that describe the work of people in society.
1. Primary industry: This category includes all activities that involve the extraction and production of raw materials from nature. Examples include farming, fishing, mining, forestry, and oil and gas extraction.
2. Secondary industry: This category encompasses all activities involved in the manufacturing and processing of raw materials into finished goods. This includes activities such as manufacturing, construction, and utilities.
3. Tertiary industry: Also known as the service industry, this category includes all activities that provide services to individuals and businesses. Examples include retail, education, healthcare, tourism, banking, transportation, and communication services.
4. Quaternary industry: This category involves knowledge-based activities and the creation and dissemination of information. It includes intellectual services such as research and development, information technology, consultancy, and scientific research.