Part of the Anaesthesiology lectures basic science series, physics section. Hope it helps!

ENTONOX    • ENTONOX- PHARMACOLOGY SERIES  
NITROUS OXIDE    • NITROUS OXIDE - PHARMACOLOGY SERIES  
GASES AND VAPOURS PART 1    • GASES AND VAPOURS PART 1 -PHYSICS SERIES  
GASES AND VAPOURS PART 2    • GASES AND VAPOURS PART 2 -PHYSICS SERIES  
CENTRAL GAS SUPPLY    • CENTRAL GAS SUPPLY - PHYSICS SERIES  
GAS CYLINDERS    • GAS CYLINDERS - PHYSICS SERIES  
HUMIDIFICATION OF GASES    • HUMIDIFICATION  
CO2 ABSORBANTS    • CO2 ABSORBENTS -PHYSICS SERIES  

Further discussion on the above mentioned topic is very much encouraged in the comments section below tqvm.

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Meditation Impromptu 01 by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Source: http://incompetech.com/music/royalty-...