Kitchen, the fumes from gas emissions, containing carbon monoxide, carbon dioxide, nitrogen oxides, and has a strong carcinogenic benzene, the greatest harm to the human body.

• 厨房中排放的油烟气体，含有一氧化碳、二氧化碳、氮氧化物，以及具有强烈致癌的苯，对人体危害最大。