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| | Tertiary industry (from industry) -- Britannica Concise Encyclopedia - The online encyclopedia you can trust! (Site not responding. Last check: 2007-11-04) |
 | | The industries of this sector include banking, finance, insurance, investment, and real estate services; wholesale, retail, and resale trade; transportation, information, and communications services; professional, consulting, legal, and personal services; tourism, hotels, restaurants, and entertainment; repair and maintenance services; education and teaching; and health, social welfare, administrative, police, security, and defense services. |
 | | In economics, industries are customarily classified as primary, secondary, and tertiary; secondary industries are further classified as heavy and light. |
 | | The Lupemban industry was derived from and replaced the Sangoan industry, which is found in forested areas of sub-Saharan Africa. |
| www.britannica.com /ebc/article-3507?tocId=3507 (781 words) |
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