| 摘要 |
PROBLEM TO BE SOLVED: To provide a transparent body capable of visually confirming a high- definition image from far inexpensively in such a form that a running maintenance cost is reduced. SOLUTION: The transparent object is constituted of a transparent or almost transparent main body having a drawing part, which comprises an aggregate comprising straight lines piercing through the main body, formed thereto in an arbitrary form and a light source parallel to the piercing straight lines and receiving light from the surface of the main body, and a bright drawing part is provided in the transparent object.
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