Answer:
Today's date is 1/19/2021
Explanation:
A negative pressure respirator brings fresh air to you through a hose Does a negative pressure respirator brings fresh air to you?
If a leak develops in a pressure-demand respirator, the regulator sends a continuous flow of clean air into the facepiece, preventing penetration by contaminated ambient air. ... Negative-Pressure Airflow Negative-pressure respirators draw air into the facepiece via the negative pressure created by user inhalation. ( can I plz have brainliest I need 4 more to have a new rank)
Answer:
All of the above
Explanation:
All of the answer choices are correct, since all of those things aid people
Knowing my grandfather's made me realize how fortunate I am.