What are the criterias for defining a two-alarm fire, a four alarm fire, etc. Also, what is the highest alarm fire?
Go to some fresh air (outside), and inhale completely and exhale completely, for 5-10 minutes. Be careful to not hyperventilate. Then, take a hot shower (lots of steam), and inhale completely and exhale completely. This will clean out your lungs.
it's what's called a 'mature technology'. It's quite safe 'used as directed'. Carbon monoxide incidents are just about always traceable to some-one doing something very foolish. - Don't, and you'll be fine.
I lived in an apartment once and the stove was leaking. My daughter and I both fell a sleep and when my husband came home he smelled it. Lucky us I had opened the bedroom window but we couldn't have died I guess.
