在很多地方，計算機能做數百萬人的工作，因此它被廣泛地應用在各個科技領域——核物理、電氣工程、機械工程等等。
In many places a computer does the work of a million persons, and so it is widely used in any branch of science and technology- nuclear physics, electrical engineering, mechanical engineering, and the like.
器具，工具用來進行或促進手工或機械工作的器具，例如鋸子
A device, such as a saw, used to perform or facilitate manual or mechanical work.
機械學機器或機械工具的設計、製造和使用
Design, construction, and use of machinery or mechanical structures.
機械工將發動機中的油全部放走。
The mechanic drained all the oil from the engine.
