Agriculture

Lawn is an area or plot of ground that has a thick covering of closely cut grass. A lawn may surround a home or apartment building, or it may form… See more » Oakum is loose fiber obtained by untwisting and picking at old, tarred hemp ropes. The fiber is used mainly to caulk, or stuff, the seams of wooden… See more » McCormick, Cyrus Hall (1809-1884), invented a reaping machine that revolutionized grain harvesting in the United States. His horse-drawn reaper… See more »