Can the mask be used again after being worn once?

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LambertFri, Jul 29, 2022 3:53 PM
After wearing it once (not for too long), although you can continue to use it next time, you should not take the cumulative length of wear as the only criterion for changing to a new one, but should consider the cleanliness of the mask itself. In addition, it is recommended that masks worn in inter-regional public transportation, places where people gather, hospitals and other environments are not recommended for repeated use.
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