The document discusses economic sectors and where people work. It describes the primary sector as activities that obtain products directly from nature, such as agriculture, livestock, fishing and mining. The secondary sector transforms raw materials through manufacturing, crafts and industry. The tertiary sector provides services like transportation, trade and tourism. The primary sector is further defined by arable farming, irrigation, fishing methods and mining techniques. The secondary sector includes crafts like ceramics, jewelry, baskets and carpentry done in workshops, as well as industry in factories using machine tools.