摘要或動機

The set consist two units; the first shall be at the school headmaster office, a box with some openings at the front in which the number of the class is written. In each opening there is lamp which lighting to show the teacher attending in the class, each class has a certain colored lamp.

「為配合國家發展委員會「推動ODF-CNS15251為政府為文件標準格式實施計畫」，以及提供使用者有文書軟體選擇的權利，本館檔案下載部分文件將公布ODF開放文件格式，免費開源軟體可至LibreOffice下載安裝使用，或依貴慣用的軟體開啟文件。」

A set for information the teacher attending to the class