Related Images
Download:
| Tiny | 210x128 | View | Download |
| Small | 420x256 | View | Download |
| Medium | 841x512 | View | Download |
| Large | 1682x1024 | View | Download |
| Original | 2820x1716 | View | Download |
This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Looking for more info about this image?
Try a Google Reverse Image Search for it.
Try a Google Reverse Image Search for it.
Keywords from Image Description:
. ru en Negative pressure full face masks with HEPA filters Measurement of protection factors of negative pressure full face masks with highefficiency filters in the laboratory revealed risk of decrease in protective properties to small values Therefore the use of such respirators has been limited to the values