It depends on the type of mask you're wearing, but a mask should be worn covering both your nose and mouth.
Upon issue of your protective mask, you should clean and inspect your mask IAW with the M50 mask and T.O. and as directed
turn in the mask
Turn in the mask
no, but they should make a mask of hell illusions
Upon issue of your protective mask, you should clean and inspect your mask IAW with the M50 mask and T.O. and as directed
Yes, you should wear a mask when sanding to protect yourself from inhaling dust particles.
turn in the mask
turn in the mask
Turn in mask
turn in the mask
A mask.
If you have any type of breathing issues yes you should wear a mask