[疑問] 口罩更換時間
我是之前在板上,詢問如果常進出廟宇是否需要戴口罩的人。我現在大多數時間,
進出廟宇都有戴口罩,唯有幾次忘記,就感覺被嗆傷。我想請問,如果是這種情況
,口罩大概多久更換一次?我都是等到髒了才換,大概一個月,這樣好嗎?
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