Assertion: brick | /r/AtLocation | sun-dried form
Facets:
Source sentences:
text: The brick, first produced in a sun-dried form at least 6,000 years ago and the forerunner of a wide range of structural clay products used today, is a small building unit in the form of a rectangular block, formed from clay or shale or mixtures and burned (fired) in a kiln , or oven, to produce strength, hardness, and heat resistance.