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Coal – Wikipedia

Coal is a combustible black or brownishblack sedimentary rock, formed as rock strata called coal seams.Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen.

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Timeline of United States inventions (before 1890) – Wikipedia

In 1641, the first patent in North America was issued to Samuel Winslow by the General Court of Massachusetts for a new method of making salt. On April 10, 1790, President George Washington signed the Patent Act of 1790 (1 Stat. 109) into law proclaiming that patents were to be authorized for "any useful art, manufacture, engine, machine, or device, or any improvement therein not before known

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Keywords for the Engines scripts – University of Houston

Keywords for The Engines of Our Ingenuity If you use Netscape or Microsoft Internet Explorer, pull down the Edit menu and use the Find function to search this file.

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User:Patrick0Moran/DictionaryProject – Simple English

Here is the first half of the English to Simple English dictionary: lisp=mit der Zunge anstoen Abomb=atomic bomb, U235 E; ASCII = A=41, J=4A, K=4B,

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User:Patrick0Moran/DictionaryProject – Simple English

Here is the first half of the English to Simple English dictionary: lisp=mit der Zunge anstoen Abomb=atomic bomb, U235 E; ASCII = A=41, J=4A, K=4B,

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