Hoe te testen oft it masker maklik te brûken is?
Minsken testje normaal oft it masker maklik te brûken is fan 'e folgjende aspekten:
1. Komfort
These masks are very comfortable on the face. Because the straps on both sides can easily hang on the ears
2. Lucht lekt
D'r lekket heul lyts as de metalen noasbrêge goed oaninoar knypt is.
3. Oefenje
In masker drage om op 'e fyts te riden of te rinnen is gjin probleem, en jo kinne sykhelje
4. Longevity
It masker kin teminsten in pear dagen gebrûk duorje foardat de effektiviteit ferliest
5. Mistfaktor
Fanwegen it strakke segel om 'e noas is d'r hast gjin mist op' e bril.
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