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Chapter 5
| Term | Definition |
|---|---|
| Manual labor | jobs done by hand, without the help of a machine |
| mechanization | using machines to make work easier and faster |
| Threshing | machine that separated the wheat grain from the plant stalk. |
| reaper | machine that cuts grain. One reaper could cut as much wheat as 16 men with hand-held blades. |
| Cyrus McCormick |