Industry 

Industry refers to economic activities, which are connected with the conversion of resources into useful goods. 

Industries may be divided into 3 categories.

They are 

1. Primary industries:- 

Primary industries are connected with the extraction and production of natural resources and reproduction and development of living organisms, plants, etc. 

Such industries are further divided into two. 

Extractive industries:- 

These industries extract products from natural resources. 

E.g. mining, farming, hunting, fishing, etc.

Genetic industries:- 

These industries are engaged in activities like rearing and breeding of animals, birds, and plants. 

E.g. diary farming, paultry farming, floriculture, pisciculture, etc. 

2. Secondary industries:- 

Secondary industries deal with materials extracted at the primary stage. Such goods may be used for consumption or for further production. 

Secondary industries are classified into two. 

They are:- 

(i) Manufacturing industries:-

Manufacturing industries engage in converting raw materials into finished goods. 

E.g. Conversion of rubber into cotton, timber into furniture rubber into tires, etc. 

Manufacturing industries may be further divided into four categories. 

They are,

Analytical industry which analyses and separates different elements from the same materials. 

E.g. Oil refinery Synthetical industry which combines various ingredients into a new product. 

E.g. cement Processing industry which involves successive stages for manufacturing finished products. 

Eg. Sugar and paper industry. Assembling industry which assembles different component parts to make a new product. 

E.g. television, car, computer, etc.

(ii) Construction industries:- 

These industries are involved in the construction of buildings, dams, bridges, roads, etc.

3. Tertiary industries:- 

These are concerned with providing support services to primary and secondary industries. 

Eg. Transport, banking, insurance, warehousing, communication, advertising, etc.