tayleeanntabeln4796 tayleeanntabeln4796

01-04-2022
Health

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What is the purpose of the one-way valve in a mouth face mask?.

Respuesta :

juliebennett449 juliebennett449

01-04-2022

Answer:

The valves actually make things a lot more comfortable because they make the mask a lot more breathable

Explanation:

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