This can change the fit of your respirator. A) A mustacheB) A beardC) Weight gainD) All of the above

D) All of the above

Explanation:

"Fit testing" is important when it comes to respirators. This ensures the respiratory safety of the wearer. When it comes to tight-fitting respirators, a good fit is very important. This means that the respirator will seal to the skin, so it is important not to have any facial hair like beards, mustache, or stubble. OHSA requires that the person should be clean-shaven.

Fit testing is also done annually in order to adjust to any physical changes such as weight gain or dental work. So, all of the choices above can change the fit of the respirator.

answer; ///i do believe that the correct answer is (condition and action); /

well cos like a ds it doesn't really die out, unlike for example, fifa, they always come out with a new version, so lets say your fifa 18 is charging you to update the teams and stuff, so, if messi were to go to real madrid (never gonna happen) it would switch messi to the other team, until the owners of fifa come out with fifa 19, then the game would eventually stop updating, and back to the ds, it doesn't really stop working after sometime because there's lots of things that it could be used for, and idk if u know what i'm saying, but long story short, samsung, represents the ds, if they still work, and people love them but not the new version, the old version still works, so they don't really force people to buy new phones, get me?