Economic Sectors and Activities
Primary industries refer to activities of extraction of natural resources like coal, oil, minerals etc. and reproduction and development of living organisms like plants and animalistic. Primary industries can be categorized as extractive and genetic industries.
Products of primary industries are normally used as raw materials to produce a variety of finished goods. It uses products of primary industry as its raw materials. Activities of secondary industries may be of manufacturing or construction. Manufacturing industries are engaged in producing finished goods out of raw materials or semi-finished products.
Manufacturing industries are divided into the following categories:
Analytical Industries: Petrol, diesel, kerosene, lubricating oil
Synthetic Industries: industries put together various ingredients and manufacture a new product.
Processing Industries: Textile, sugar and paper industries
Assembling Industries: scooter, bicycle, radio and television
These industries are basically concerned with generating or processing of various services and facilitate functioning of primary industries and secondary industries as well as activities of trade.