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Engineering TermsAdd a term

Extrinsic Defects

Materials science; Metallurgy

The extrinsic point defects are foreign atoms, which are ...

robotic rickshaw

Engineering; Mechanical engineering

Invented by Farmer Wu Yulu in a village outside of Beijing, ...

Forging

Materials science; Metallurgy

In metallurgy, the process of shaping metal and increasing ...

Tool Steels

Materials science; Metallurgy

Tool steels contain tungsten, molybdenum, cobalt and ...

History TermsAdd a term

t-34

History; World history

T-34 was a Soviet medium tank, often considered the best ...

Constantine VII

History; European history

Constantine VII Porphyrogennetos or Porphyrogenitus, ...

Han Dynasty

History; Chinese history

The Han Dynasty was an imperial dynasty of China. Founded ...

Joyce Banda

Politics; International politics

Joyce Banda was both the first female President and first ...

Geography TermsAdd a term

New York, United States

Geography; Geography

Metropolitan Area: 21.9 million people Population: 8.2 ...

Staten Island

Geography; Cities & towns

Straten Island is the least populous of the five boroughs ...

Timbuktu

Geography; Cities & towns

Timbuktu is an oasis city in the West African nation of ...

Maunsell Sea Fort

Geography; Geography

During World War II, the United Kingdom was facing some ...

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Architectural Wonders

Category: Travel   1 2 Terms

Best Ballet Companies for 2014

Category: Arts   1 1 Terms

Cheeses

Category: Food   5 11 Terms