Cách sử dụng
The word 'mask' refers to something that you wear on your face to cover your nose and mouth. You can use it to protect yourself and others from getting sick, especially during a pandemic. Masks come in different shapes, sizes, and materials, such as cloth, paper, or plastic. You should wear a mask when you are in public places or around other people, especially when you cannot maintain a distance of six feet from them. You can also use a mask when you are doing certain activities, such as cleaning or working with chemicals, to protect yourself from inhaling harmful particles. Overall, masks are an important tool to stay healthy and prevent the spread of diseases.