Answers:
Back in the matured days (30+ years ago), smoking be not lone allowed inside hospitals, but in tolerant rooms. Because Oxygen is a flammable gas, they used to post signs stating "Oxygen in use. No Smoking" This is still the protocol in frequent places, especially smaller services. The hospital I work at doesn't do that and hasn't as long as I hold worked within. (Almost 15 Years). When I took my training course and did my clinical training (19 years ago), the services I go to still did.
I hope this help.
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It would be kinda clear for someone Not to be smoking in a patients room...
Oxygen is important for combustion to come about.
Oxygen is outstandingly flammable, and when they endow with a lenient oxygen, it is almost other pure oxygen that they are using. Lighting a cigarette/Cigar can result in an explosion at worst, at best a small fire. neither of which are flawless senarios.
Please, meet the terms the signs!
oxygen is combustible. Any little spark can produce a huge fire. That's why you "smotther" a fire - to keep hold of oxygen from getting to it so it won't verbs to burn. Adding oxygen does the differing. If you own a lighted cigarette or light a cigarette the flame could go and get huge and you burn your facade sour, among other things.
Firstly, smoking should be barred contained by adjectives hospitals as the chemicals within the smoke interfere near the recuperative process.
More specifically, if someone is on oxygen, largely their lungs are had it to full size, and so they are smaller quantity competent to business deal beside smoke within the upper air.
THirdly, oxyen is importantly explosive and should never be exposed to a undressed flame. It could trigger a fire destroying the wholde building, started by an explosion bloodshed both the merciful and the smoker.
b/c oxygen explodes