History Lesson 20 How The Christian Monks Able To Help Support The Civilization When The Roman Empire Collapsed

The camshaft, gear, and water wheel made making things more efficient. This technology made making flour, beer, bread, and ingots of metals like copper easier. The monks used the camshaft hooked up to a hammer to smash ingredients to make beer. The camshaft was hooked up to gears and axels to transfer rotation power from the water wheels to the cam.