From the archive record
Agricultural workers use thresher to thresh wheat in Najafgarh. It looks like a muddy water flowing from bore-well. Threshing is the process of loosening the edible part of cereal grain (or other crop) from the scaly, inedible chaff that surrounds it. It is the step in grain preparation after harvesting and before winnowing, which separates the loosened chaff from the grain. Threshing does not remove the bran from the grain. Threshing is just one process in getting cereals to the grinding mill and customer. The wheat needs to be grown, cut, stooked (shocked, bundled), hauled, threshed, and then the grain hauled to an elevator and the chaff baled. For many years each of these steps was an individual process, requiring teams of workers and many machines. In the steep hill wheat country of Pa