The mask may be of any kind such as diving masks, which is very common.
She reached up and stripped off the diving mask and stood swinging it.
Make sure you don't forget to put a diving mask into your suitcase.
A glass case was filled with diving masks.
The effect is similar to that achieved by a diving mask, while the passengers are able to stay dry, out of the water.
This is the reason a diver cannot see clearly underwater without a diving mask with an internal airspace.
They pressed the faceplates of their diving masks flat against each other.
We might have rubbed noses with them if we hadn't been wearing diving masks.
Human eyes are not adapted for use underwater but vision can be improved by wearing a diving mask.
She caught her breath and for just a moment their eyes met behind their diving masks.
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