康寧903(2) 7 10:07 The proper way of wearing facemasks · If we have flu, the white side should be to our our face (the color side faces out) to filter the microorganism for spreading to others. · If we are not ill, the white side should face out to protect microorganism from outside to have contact with us. 原來口罩要這樣戴: 1、感冒時:白色戴裏面,顏色 在外面,以免感染別人; 2、如果沒感冒:白色戴外 面,顏色戴裏面,以免被別人 感染。 口罩過濾功能原是這樣設計。