| Id |
Subject |
Object |
Predicate |
Lexical cue |
| T78 |
0-133 |
Sentence |
denotes |
Conventional surgical masks do not provide sufficient protection in an operating room with a risk of aerosols rich in viral droplets. |
| T79 |
134-261 |
Sentence |
denotes |
The N95 respirator masks regulated by the US National Institute for Occupational Safety and Health (NIOSH) are not EC-approved. |
| T80 |
262-454 |
Sentence |
denotes |
The FFP2 and FFP3 filtering facepiece masks are more efficient as regards the filtration of aerosols (of saline solution or paraffin oils), with an efficiency of 94% for FFP2 and 99% for FFP3. |
| T81 |
455-520 |
Sentence |
denotes |
FFP2 masks meet the filter efficiency criteria of the NIOSH [21]. |
| T82 |
521-606 |
Sentence |
denotes |
To be effective, these masks must, however, be used correctly and be properly fitted. |
