Understanding the Secondary Sector: Industry and Production

The Secondary Sector: Construction and Industry

The secondary sector consists of two primary activities: construction and industry.

Construction

Construction is an economic activity focused on creating buildings and infrastructure, such as roads, bridges, and airports.

Industry

The industry component of the secondary sector includes activities related to the processing of raw materials into manufactured goods for direct consumption or for use as raw materials in other industries.

Raw Materials and Their Origins

Raw materials are resources, often produced by nature, that are transformed through industrial processes into products for consumption or further refinement. They are categorized by their source:

• Animal: Leather, wool, milk.
• Plant: Rubber, cotton, linen, wood.
• Metal Ore: Iron, copper.
• Non-metallic: Phosphates, clay.
• Energy Sources: Oil, coal, uranium.
• Artificial Origin: Intermediate products for the chemical industry, such as nylon and plastic.

Capital and Corporate Concentration

Capital refers to the significant investments required to establish industries. This capital may be provided by private parties (private companies), the state (state enterprises), or a combination of both (mixed companies).

To increase corporate profits, companies often form unions:

• Vertical Concentration: The union of industries involved in different stages of processing (e.g., wool spinning, dyeing, and weaving).
• Horizontal Concentration: The union of companies engaged in the same industrial activity (e.g., cosmetics, perfumery, detergents, or dairy).

The Greenhouse Effect

The atmosphere contains gases like water vapor and carbon dioxide that prevent solar radiation from escaping into outer space, maintaining a temperature suitable for life. This is known as the greenhouse effect. However, the increase in carbon dioxide—resulting from deforestation and emissions from industries, vehicles, and power plants—causes an intensification of this natural phenomenon.

Types of Industries

Heavy Industries

Composed of metallurgy (including aluminum and copper) and the heavy chemical industry.

Capital Goods Industries

Includes building materials, farm and industrial equipment, transportation equipment, aerospace, wood and paper, and electrical electronics and computing.

Light Industries

Includes food, automobile, light chemical, electronics, computers, and textiles.