Name: スキューバダイビングレッスン : スキューバマスクの使い方 (Scuba Diving Lessons : How to Use a Scuba Mask)
Uploaded: 2021-01-14T04:47:45.000Z
Duration: 1 min 14 s
Description: VoiceTubeの動画で発音を聞きながら英語表現を覚えよう！学べる英語：

様態の副詞

There's three different styles of masks that we have here. There's some that have actually

基礎受動態

a split lens. So this is the split lens style, where the two lenses are actually separated.

There's some that have a split lens with side window. This is the full face with the side

window. On the mask. And then there's also another mask called the frame less mask, which

really, there is no frame to this, there's no hard plastic frame like the one right below.

And this mask is called the frame less mask, there's one solid piece of glass and then

there is no frame on this. It's actually just silicone. Now the way to check to see whether a mask

seals on your face, is to actually put it up to your face, take your glasses off, and.

You want to breathe in slightly through your nose, and that mask should stay on your face