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  2. Tertiary education - Wikipedia

    en.wikipedia.org/wiki/Tertiary_education

    Tertiary education (higher education, or post-secondary education) is the educational level following the completion of secondary education. The World Bank defines tertiary education as including universities , colleges , and vocational schools . [ 1 ]

  3. Educational stage - Wikipedia

    en.wikipedia.org/wiki/Educational_stage

    Educational stages are subdivisions of formal learning, typically covering early childhood education, primary education, secondary education and tertiary education.The United Nations Educational, Scientific and Cultural Organization recognizes nine levels of education in its International Standard Classification of Education (ISCED) system (from Level 0 (pre-primary education) through Level 8 ...

  4. Tertiary referral hospital - Wikipedia

    en.wikipedia.org/wiki/Tertiary_referral_hospital

    A tertiary referral hospital (also called a tertiary hospital, tertiary referral center, tertiary care center, or tertiary center) is a hospital that provides tertiary care, [1] which is a level of health care obtained from specialists in a large hospital after referral from the providers of primary care and secondary care. [2]

  5. Tertiary sector of the economy - Wikipedia

    en.wikipedia.org/wiki/Tertiary_sector_of_the_economy

    The tertiary sector of the economy, generally known as the service sector, is the third of the three economic sectors in the three-sector model (also known as the economic cycle). The others are the primary sector (raw materials) and the secondary sector (manufacturing). The tertiary sector consists of the provision of services instead of end ...

  6. Industry classification - Wikipedia

    en.wikipedia.org/wiki/Industry_classification

    At the top level, they are often classified according to the three-sector theory into sectors: primary (extraction and agriculture), secondary (manufacturing), and tertiary (services). Some authors add quaternary (knowledge) or even quinary (culture and research) sectors. Over time, the fraction of a society's activities within each sector changes.

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  8. We know why cats knead. But here's why humans love it so much.

    www.aol.com/know-why-cats-knead-heres-100401607.html

    Why do cats knead? Kittens knead their mother's mammary glands, or breasts, while nursing, likely to aid the release of milk. Animal experts call this process "milk let down," said Sung, who is ...

  9. Health care - Wikipedia

    en.wikipedia.org/wiki/Health_care

    Tertiary care is specialized consultative health care, usually for inpatients and on referral from a primary or secondary health professional, in a facility that has personnel and facilities for advanced medical investigation and treatment, such as a tertiary referral hospital.