| a) Air conditioner can be used to ventilate and warm the room as well. |
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| b) Vents are used for ventilating and lighting the rooms. |
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| c) A well ventilated room receives adequate light. |
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| d) Insufficient ventilation can cause giddiness. |
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| e) Cross ventilation may result in draught. |
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| f) Humidity within a room may not be covered by running on the fans. |
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