Fill in the blanks with what you have heard. If you decide to wear medical mask which is pleated and flat like this one, it is important to wear and (1) it correctly. Otherwise, instead of protecting you, the mask becomes a source of infection because of the (2) that may stay on it. To (3) , you should locate the metal strip at the top of the mask, place over your (4) , secure the elastics around your ears, or tie the strings behind your head. Make sure it covers your nose, mouth, and chin. While in use, do not touch the (5) of your mask. To (6) , take the elastics from around your ears or untie the strings behind your head. Don not touch the front of the mask as it may be contaminated. Remove the mask and discard in (7) . (8) your hands with alcohol hand rub or soap and water. Hand hygiene should be done if you accidentally touch the front of your mask while wearing it. If your mask becomes damp or (9), replace it with a new dry mask. Never (10) single-use masks and discard them immediately into closed bins after each use.