Secondary sector of industry
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The secondary sector of industry is the manufacturing sector of industry. This sector of industry generally takes the output of the primary sector and manufactures finished goods or products to a point where they are suitable for use by other businesses, for export, or sale to domestic consumers. This sector is often divided into light industry and heavy industry. Many of these industries consume large quantities of energy and require factories and machinery to convert the raw materials into goods and products. They also produce waste materials and waste heat that may pose environmental problems or cause pollution.
Divisions of this sector include the Aircraft, Automobile manufacturers, Brewing industry Chemical industry Engineering Energy industries including the production of petroleum, gas and Electric power Steel production Tobacco industry Radio, and Telephone industries.