Oxygen Mask Kid - 搜索视频

Doctor wears six face masks to prove they don't lower oxygen levels

Doctor wears six face masks to prove they don't lower oxygen levels

This doctor is proving that face masks do NOT lower oxygen levels! via storyful

FacebookDaily Mail已浏览 54.6万次2020年7月15日

Non-rebreather Mask Uses

Non-rebreather Mask: What Is It, When Is It Used | Osmosis

Non-rebreather Mask: What Is It, When Is It Used | Osmosis

2023年3月30日

Bag-Valve-Mask (BVM) Ventilation

Bag-Valve-Mask (BVM) Ventilation

2019年4月21日

How to use a non-medical mask effectively

How to use a non-medical mask effectively

2020年5月20日

热门视频

Here's what happens to oxygen levels when you wear a mask

Here's what happens to oxygen levels when you wear a mask

已浏览 12.5万次2020年7月20日

Covid-19: Does Your Kid Really Need a Mask?

Covid-19: Does Your Kid Really Need a Mask?

FacebookNOVA Education

已浏览 692 次2020年9月26日

Flight attendant shows the proper way to use an oxygen mask

Flight attendant shows the proper way to use an oxygen mask

Express.co.ukHarriet Mallinson

2018年10月4日

Non-rebreather Mask Vs Venturi Mask

Nasal Cannula VS Non-Rebreather... - The Paramedic Coach

Nasal Cannula VS Non-Rebreather... - The Paramedic Coach

FacebookThe Paramedic Coach

已浏览 452 次2022年11月18日

EMT Student? 🚑 Inside this video 💡... - The Paramedic Coach

EMT Student? 🚑 Inside this video 💡... - The Paramedic Coach

FacebookThe Paramedic Coach

已浏览 590 次2020年10月19日

06 凡德里面罩（Venturi mask）01

06 凡德里面罩（Venturi mask）01

YouTube邱建強

已浏览 2.1万次2016年3月26日