$MASKS

Different countries have specific standards for mask efficacy. For example, the N95 standard is used in the United States, while the FFP2 standard is used in Europe, and the KN95 standard is used in China. These standards ensure masks meet certain filtration and breathability criteria.

That's good
Masks 🎭 are of different types and uses in different countries

Oh, na becos of say their environment dey different and the air wey dey there too different in terms of toxic level
Hmm... E go make person get all these knowledge about mask 🎭 o

Yes, 95 respirators meets most filtration criteria 🎭