Ribbon
工具
下方列出了维修此类别设备所需的主要工具。当然，并不是所有维修流程都需要备齐这个清单。
Background and Identification
A typewriter is a mechanical or electromechanical machine used to print characters on a piece of paper. First invented in the 1860s, they were used heavily up until the 1980s, where they were replaced by computer word processors.
