PRIMARY SECTOR OF INDUSTRY
The Primary sector of industry involves the change of natural resources into primary products. Most products from this sector are considered commodities or raw materials for other industries. Major businesses in this sector include agriculture, agribusiness, fishing, forestry and all mining and quarrying industries.
Manufacturing industries that, pack, package, purify or process the raw materials close to the primary producers are normally considered part of this sector, especially if the raw material is unsuitable for sale or difficult to transport long distances.
As you can see from the diagram Primary employment has fallen over the past 30 years.
SECONDARY SECTOR OF INDUSTRY
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. Sainsburys also belongs to this sector.
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