Occupation may be grouped into different categories.
This is the type of occupation whose activities are directly engaged in the extraction of natural resources of nature from the earth or sea. The various products of nature extracted from the soil or earth or sea. The various products of nature extracted from the soil or earth are termed Raw materials, which are obtained for the purpose of being processed by manufacturing and V construction industries. Examples of industries in this category are mining, fishing, forestry and agriculture.
This is the type of occupation in which people who engage in it are directly responsible for the transformation of the raw materials extracted from the soil/earth into finished or semi-finished goods with the use of machines, e.g. shoe and bag making, where the hides and skin, leather and rubber are being changed/transformed into shoes or bags.
This is the type of occupation in which workers involved engage themselves in assembling different components extracted and manufactured by both the extractive and manufacturing industries for the purpose of putting the products into an organized whole. E.g. building of houses, bridges, roads and construction of vehicles.
This is the type of occupation in which people who engage in it try as much as they can to see that the goods and services produced by others reach the final consumers as and when due.
This is the type of occupation in which people who engage in it render personal services to others for which they are paid for directly by those who enjoy their services. Such people include: private Doctors, Lawyers, Accountants, Drivers,. Actors/Actresses, Professional Singers and Dancers etc.
In this type of occupation, people who engage in it earn their living through rendering essential services to members of the public, which they are not paid directly by those who enjoy their services, rather, they are paid indirectly by the government. E.g. Police, Civil servants, and Armed forces.