perform negative pressure check
When donning a protective mask, it is important to make sure that there is a tight seal between the mask and your face. To do this, exhale or blow out gently while adjusting the mask. This helps to expel any trapped air and ensures a snug fit for proper protection.
Perform negative pressure check.
perform negative pressure check
Perform negative pressure check.
Perform negative pressure check.
Perform negative pressure check.
perform negative pressure check
perform negative pressure check
perform negative pressure check
perform negative pressure check
Before performing negative pressure check
Before performing negative pressure check
Perform negative pressure check.