| 摘要 |
A part mounted on the compartment ceiling of an automotive vehicle which has a casing with burglar alarm sensor and substrate for the lighting equipment assembled therein, wherein the casing is formed of a resin material containing at least one of azadirachtin, meliantriol and salanin, which are insect repellent components contained in triperten, a natural organic compound, so as to prevent insects from intruding through gap P between panel and intrusion sensor of the casing or gap Q between cover and light source, thereby avoiding unattractive looking lens unit, and preventing a fault such as an electric short of substrate which otherwise might be caused by an insect coming into contact with the part.
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