Secondary

industries

These are concerned with using

the materials, which have

already been extracted at the

primary stage.

Examples:-

Mining of an iron ore is a primary industry, but manufacturing of steel by way of further processing of raw irons is a secondary industry.

Secondary industries may be further divided as follows;

1. Manufacturing industries.2. Analytical industry.3. Synthetical industry.4. Processing industry.5. Assembling industry.

These are concerned with providing support services to primary and secondary industries as well as activities relating to trade.These industries provide service facilities.These may be considered part of commerce

Tertiary industries include;

Transport

Banking

Insurance

Warehousing

Communication

Packaging

Advertising