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| In daily work and life, it is necessary to remember the "three piece set" of epidemic prevention and the "five essentials" of good protection.Three piece set for epidemic prevention: wearing a mask; Please maintain a distance of at least 1 meter when communicating with others; Maintain good personal hygiene. Five additional requirements for protection: continue to wear masks; Social distancing needs to be maintained; Coughing and sneezing need to be covered; Wash your hands frequently; The windows should be opened as much as possible. | 
 
