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  • How to keep healthy when stay at home during COVID-19

    At present, the  COVID-19 has erupted and spread in many places around the world, and the pressure for prevention and control continues to increas...
  • Science! How to use 75% alcohol and 84 disinfectant

    During the new coronavirus, if we want to disinfect our home, we can use alcohol (75% concentration) or 84 disinfectant. Today, we will bring you 8...
  • 5 wrong ways to wear masks, everyone should be careful

    5 wrong ways to wear masks, everyone should be careful Wear a mask, use the mask properly, ventilate, wash your hands frequently, and protect yours...