谁喜欢根据具体规格搞清楚是如何工作的，并创建对象的个人可以享受学习制造。制造是侧重于大规模生产的物品，通常通过使用机械和其他工厂方法的字段。

Courses are academic classes taught by qualified instructors that are intended to enhance participant’s knowledge of a given area or training in a particular discipline. Courses vary broadly in terms of length, size, content and duration.