Alex

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Alex
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This image shows an anesthetic mask.

MIT researchers reveal brainwave changes in patients receiving nitrous oxide, or “laughing gas.

Rubber Re-Breather Kit - Rubber Hoods - Rubber Eva Shop

Rubber Anesthesia Mask and Head Harness - Accessories - Rubber Eva Shop

sarah_aviator_hd_135 (pb326) Tags: woman girl mask scuba rubber cylinder nasal breathing anesthesia twinhose

sarah_aviator_hd_135 (pb326) Tags: woman girl mask scuba rubber cylinder nasal breathing anesthesia twinhose

no idea : Photo

no idea : Photo