Primary industries are industries which produce raw materials like wool, wheat and similar products and make use of the natural resources like minerals and forests. It involves the extraction of raw materials from the Earth. It results in raw materials and basic foods like coal, iron, wood and corn. The type of workers in this sector is farmers, hunters and coal miners. There is major decline in the proportion of the population working in this sector. This is comparatively very low when compared to the 19th century where two-thirds of the labour force was engaged in these industries. As per the studies only 3% of the labour force works in the primary industry nowadays.
The secondary industry is more of a manufacturing industry where the basic raw materials are converted into marketable and commercial products. Computer manufacturing and bio-engineering comes under this heading and there is tremendous growth in these sectors world over. This includes the transformation of wood being made into furniture, steel made into cars or textiles made into clothes. The types of workers working in this field are factory worker, craftsmen and seamstress. There is increased competition in this field. The development in this field is because of the demand for more goods and food and this also leads to the industrialisation of this industry.
The limitation in the primary sector also helped the secondary sector to grow at rapid pace. This also helped the secondary industries to use new farm techniques and the industrialisation also changed how goods can be transformed, sold and distributed. In the United States, 20% is involved in the secondary industry. Tertiary industry is more of the framework and foundations of business and provides services. Banking, transport, restaurants and similar businesses come under this category. Direct marketing which is the most popular way of marketing in the world comes under the tertiary industry. Selling of products also comes under the heading of tertiary industry.
Duty of a Tertiary Industry
The basic duty of the tertiary industry is to service the needs of the secondary and primary industry. There has been tremendous growth in the sectors like information based services, hospitality, personal services and tourism. Apart from these three industries there is another industry which is fast growing and it is called the quaternary industry. This industry deals with web without wires, the internet, information technology, the e-economy and these incidentally have become most crowded place in the world with the majority of the youngsters preferring this industry to the other industries. It is also called the service industry and the biggest advantage is that since it is internet based trade and commerce the operation can be easily done without even bothering about the boundaries and an international workforce can be in place.
The majority of the workers include bartenders, pilots, accountants and people in similar jobs. The common man of the new generation prefers these kinds of jobs and 80% of the labour force is working in this industry today. The tertiary industry rely mainly on the imports from overseas business and also the retail sector which include food, clothing, motor vehicles, machinery, plastic etc.