In summer, these four things are often used without washing, which will damage your health

Interviewed experts Lu Jianguo, director of the comprehensive inspection department of the national household appliance quality supervision and inspection center of China Home Appliance Research Institute Chen Gang, Deputy Secretary General of China home appliance Association Tian Dexiang, Professor, School of environment, Peking University wash the air conditioner before and

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Unexpected dirt on the sheets

Australia’s “science and technology insider” reported on October 15 that Philip J? Tierno’s research found that: there will be fungal spores, bacteria, animal dander, pollen, soil, lint, finishing agents and coloring materials of bed sheet materials, and various excrement from the body (such as sweat, sputum, vaginal and anal secretions,

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