This article was reviewed by Dr. Tao Ning, Associate Professor at the National Institute In daily life I don't know if you have noticed If the house is not cleaned for two days There will be a layer of dust on the floor At this time, some people were puzzled. The windows were clearly closed tightly. How does dust get in? Come and see … turn out to be Most dust comes from the home. Only a small part comes from outdoor First of all, After metabolism, the body Some dead epidermal cells and hair will fall off followed by Bedding manufacturing When making the bed and folding the quilt The fibers on them will fall off. Mixed with dust, it becomes The "Maomao" we often see And also Electrical appliances Like TV, computer, air conditioner Static electricity will be generated during use Accumulation of dust in addition Some dust was brought back from outside If you don't change your clothes when you get home Sitting on the bed sofa The dust will stick to them. Dust is everywhere This requires regular cleaning But when cleaning Don't overuse chemical disinfectants Excessive sterility may lead to Increased risk of allergic diseases The pictures in this article with the "Science Popularization China" watermark are all from the copyright gallery. The pictures are not authorized for reprinting. |
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