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The north American industry classification system designates industries with a numerical code in a defined structure. a six-digit coding system is used. the first two digits designate an industry subsector
The industry refers to a more specific group of companies or businesses, while the term sector describes a large part of the economy. The terms industry and sector are often used interchangeably to describe groups of companies operating in the same segment of the economy or doing similar types of business.
In the three-sector model of economics, he divides the economy into three sectors of activity. A service industry that exists to facilitate the transportation, distribution, and sale of goods consumed by the extractives (primary), manufacturing (secondary), and secondary sectors. produced (tertiary).
An industry is a group of companies related to a primary activity, such as manufacturing automobiles or selling food. Smaller industries (such as automotive) can be grouped into larger industry sectors (such as manufacturing in general).
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