The Tops Of 24 schematic diagram of protective mask Ideas for You

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mask protection arrow indication

green breathable arrow indicates mask

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blue mask diagram

schematic diagram of mask ventilation instructions

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schematic diagram of mask protective air circulation

the green arrow indicates the mask is worn

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mask protect purple arrow

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schematic diagram of ventilation point of protective mask

hand painted mask ventilation diagram

schematic diagram of prompts around the mask

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daily diagram of mask protection

schematic diagram of mask wearing