| 摘要 |
PROBLEM TO BE SOLVED: To increase visibility by clearing foreign matter with a jet of heated air from a window about an operation seat of a vehicle, a ship or an aircraft. SOLUTION: With the use of an engine 1 of a vehicle, a ship, an aircraft or the like, the jets of heated air 15 blow and clear the foreign matter 14 away from a windshield 4, a side glass 5 and a rearview mirror 6 about the operation seat to increase visibility.
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