确保通风良好，打开窗户并使用风扇，以防止气体在房间内聚集。
Ensure good ventilation, open Windows and use fans to prevent the accumulation of gas in the room.
为你家的供暖系统寻找专业的服务，用来确保它清洁干净、运行正常、通风良好。
Have your heating system serviced professionally to make sure that it is clean, working properly and ventilated to the outside.
接下来确保将毛衣挂在通风良好的区域晾干。
Then just make sure to hang the sweater to dry in a well-ventilated area.
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