| R E V I S I O N E D E L L A D I S C U S S I O N E |
| swpt_EtTLIZ1D |
Inviata - 25/07/2020 : 05:42:51
Kn95 masks and n95 masks should be worn with hand washing before wearing them to avoid hand contact with the masks
Side, reduce the possibility of mask contamination.Distinguish the inside and outside of the mask and upper and lower parts, light color for the inside, the metal strip is in the upper;
Make the mask as close as possible to the face as possible. After wearing the mask, exhale in the ribs and check that the air does not leak out from the edge of the mask.
The mask must be close to the user's face, and the user must shave to make sure the mask is close to his or her face.
https://www.codewel.com/face-shield-mask/kn95-dust-mask-with-ce.html |
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