| http://www.w3.org/ns/prov#value | - Thus, there is a problem that even if sticking to design, material and etc., to produce a high-class image of the instrument board itself, an observer cannot recognize it visually. [0007] Therefore, as shown in FIG. 5, it is possible that an LED 3 is provided to illuminate an instrument board 1 and a pointer 2 so that the instrument board 1 itself can be seen as well at night as in the daytime.
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