Heat-rejection, waterproofing, and light-receiving roof device capable of preventing backflow of rainwater when hot air is discharged
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A device mounted on a roof
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Skylight-type heat exhaustion device
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Natural convection roof device
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Screwdriver socket
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characterized in that the indoor hot air can flow from bottom up to the internal ventilation port, then to the middle ventilation port and discharged while the raining outside can be barred by the internal baffle