Why do we construct ventilators on the top of the room.
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As hot air rises up , therefore ventilators are constructed at the top of the room so that the hot air can go out of the room.
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Ventilators are provided in the rooms at the top of the roofs because if the air inside the room gets hot ,the hot are rises up and flows through these ventilators and thus cool air remains at bottom. thus ventilators maintain conventional currents to keep the air fresh. please follow me and
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