cross-sectional configuration of grain
21Confederate States of America — This article is about the historical state. For the 2004 mockumentary, see C.S.A.: The Confederate States of America. Confederate States of America Unrecognized state[1][2] …
22Door — For other uses, see Door (disambiguation). A door is a movable structure used to open and close off an entrance, typically consisting of a panel that swings on hinges or that slides or rotates inside of a space. When open, they admit ventilation… …
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