air-conditioning

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Introduction References & Edit History Related Topics

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Candles Burning On Table In Church

What Is the Most Widely Practiced Religion in the World?

Marriage. A couple getting married during a church wedding ceremony. (religion, ceremony, bride, groom)

The Seven Sacraments of the Roman Catholic church

New Zealand. Political/Physical map. Includes locator.

Where Is “Old Zealand”?

Adolf Hitler (Nazi, nazism, German leader).

9 Things You Might Not Know About Adolf Hitler

The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)

New Seven Wonders of the World

Computer mapping, woman at early 1990s computer

Timeline of the 1990s

Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,

Which Religion Is the Oldest?

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Topics

ceiling diffuser return-air plenum dual-duct system induction system central-air system dehumidifier humidifier linear diffuser variable air volume system ventilating heating elevator solar panel plumbing chimney building-integrated photovoltaics escalator fan lighting furnace

Key People

Willis Carrier

Willis Carrier

American inventor

Quiz

ball bearing. Disassembled ball bearing. rotational friction Automobile Industry, Engineering, Industry, Machine Part, Metal Industry, Sphere, Steel, Wheel

Inventors and Inventions