Explain the four new technologies the Greeks introduced and what task each performed?

The ancient Greeks introduced several key technologies that advanced various fields. First, the water mill utilized flowing water to grind grain, enhancing food production efficiency. Second, the astrolabe, an astronomical instrument, enabled navigation and the measurement of celestial bodies, aiding explorers and scholars. Third, the crane, powered by human or animal labor, facilitated the construction of large structures by lifting heavy stones. Finally, the screw press, used in winemaking and olive oil production, improved extraction processes and increased yields.